21436470720

素因数分解:

$2^6\times 3^3\times 5^1\times 7^1\times {\mathrm{354439}}^1$

素因数の和:354472

約数の個数: 224

約数和(自身を含む): 86426649600

約数和(自身を除く): 64990178880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 108, 112, 120, 126, 135, 140, 144, 160, 168, 180, 189, 192, 210, 216, 224, 240, 252, 270, 280, 288, 315, 320, 336, 360, 378, 420, 432, 448, 480, 504, 540, 560, 576, 630, 672, 720, 756, 840, 864, 945, 960, 1008, 1080, 1120, 1260, 1344, 1440, 1512, 1680, 1728, 1890, 2016, 2160, 2240, 2520, 2880, 3024, 3360, 3780, 4032, 4320, 5040, 6048, 6720, 7560, 8640, 10080, 12096, 15120, 20160, 30240, 60480, 354439, 708878, 1063317, 1417756, 1772195, 2126634, 2481073, 2835512, 3189951, 3544390, 4253268, 4962146, 5316585, 5671024, 6379902, 7088780, 7443219, 8506536, 9569853, 9924292, 10633170, 11342048, 12405365, 12759804, 14177560, 14886438, 15949755, 17013072, 19139706, 19848584, 21266340, 22329657, 22684096, 24810730, 25519608, 28355120, 29772876, 31899510, 34026144, 37216095, 38279412, 39697168, 42532680, 44659314, 47849265, 49621460, 51039216, 56710240, 59545752, 63799020, 66988971, 68052288, 74432190, 76558824, 79394336, 85065360, 89318628, 95698530, 99242920, 102078432, 111648285, 113420480, 119091504, 127598040, 133977942, 148864380, 153117648, 158788672, 170130720, 178637256, 191397060, 198485840, 204156864, 223296570, 238183008, 255196080, 267955884, 297728760, 306235296, 334944855, 340261440, 357274512, 382794120, 396971680, 446593140, 476366016, 510392160, 535911768, 595457520, 612470592, 669889710, 714549024, 765588240, 793943360, 893186280, 1020784320, 1071823536, 1190915040, 1339779420, 1429098048, 1531176480, 1786372560, 2143647072, 2381830080, 2679558840, 3062352960, 3572745120, 4287294144, 5359117680, 7145490240, 10718235360, 21436470720]

約数ペア:

[(1, 21436470720), (2, 10718235360), (3, 7145490240), (4, 5359117680), (5, 4287294144), (6, 3572745120), (7, 3062352960), (8, 2679558840), (9, 2381830080), (10, 2143647072), (12, 1786372560), (14, 1531176480), (15, 1429098048), (16, 1339779420), (18, 1190915040), (20, 1071823536), (21, 1020784320), (24, 893186280), (27, 793943360), (28, 765588240), (30, 714549024), (32, 669889710), (35, 612470592), (36, 595457520), (40, 535911768), (42, 510392160), (45, 476366016), (48, 446593140), (54, 396971680), (56, 382794120), (60, 357274512), (63, 340261440), (64, 334944855), (70, 306235296), (72, 297728760), (80, 267955884), (84, 255196080), (90, 238183008), (96, 223296570), (105, 204156864), (108, 198485840), (112, 191397060), (120, 178637256), (126, 170130720), (135, 158788672), (140, 153117648), (144, 148864380), (160, 133977942), (168, 127598040), (180, 119091504), (189, 113420480), (192, 111648285), (210, 102078432), (216, 99242920), (224, 95698530), (240, 89318628), (252, 85065360), (270, 79394336), (280, 76558824), (288, 74432190), (315, 68052288), (320, 66988971), (336, 63799020), (360, 59545752), (378, 56710240), (420, 51039216), (432, 49621460), (448, 47849265), (480, 44659314), (504, 42532680), (540, 39697168), (560, 38279412), (576, 37216095), (630, 34026144), (672, 31899510), (720, 29772876), (756, 28355120), (840, 25519608), (864, 24810730), (945, 22684096), (960, 22329657), (1008, 21266340), (1080, 19848584), (1120, 19139706), (1260, 17013072), (1344, 15949755), (1440, 14886438), (1512, 14177560), (1680, 12759804), (1728, 12405365), (1890, 11342048), (2016, 10633170), (2160, 9924292), (2240, 9569853), (2520, 8506536), (2880, 7443219), (3024, 7088780), (3360, 6379902), (3780, 5671024), (4032, 5316585), (4320, 4962146), (5040, 4253268), (6048, 3544390), (6720, 3189951), (7560, 2835512), (8640, 2481073), (10080, 2126634), (12096, 1772195), (15120, 1417756), (20160, 1063317), (30240, 708878), (60480, 354439)]