21437185280

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{421}}^1\times {\mathrm{5683}}^1$

素因数の和:6132

約数の個数: 144

約数和(自身を含む): 58834038144

約数和(自身を除く): 37396852864

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 280, 320, 421, 448, 560, 640, 842, 896, 1120, 1280, 1684, 1792, 2105, 2240, 2947, 3368, 4210, 4480, 5683, 5894, 6736, 8420, 8960, 11366, 11788, 13472, 14735, 16840, 22732, 23576, 26944, 28415, 29470, 33680, 39781, 45464, 47152, 53888, 56830, 58940, 67360, 79562, 90928, 94304, 107776, 113660, 117880, 134720, 159124, 181856, 188608, 198905, 227320, 235760, 269440, 318248, 363712, 377216, 397810, 454640, 471520, 538880, 636496, 727424, 754432, 795620, 909280, 943040, 1272992, 1454848, 1591240, 1818560, 1886080, 2392543, 2545984, 3182480, 3637120, 3772160, 4785086, 5091968, 6364960, 7274240, 9570172, 10183936, 11962715, 12729920, 16747801, 19140344, 23925430, 25459840, 33495602, 38280688, 47850860, 50919680, 66991204, 76561376, 83739005, 95701720, 133982408, 153122752, 167478010, 191403440, 267964816, 306245504, 334956020, 382806880, 535929632, 612491008, 669912040, 765613760, 1071859264, 1339824080, 1531227520, 2143718528, 2679648160, 3062455040, 4287437056, 5359296320, 10718592640, 21437185280]

約数ペア:

[(1, 21437185280), (2, 10718592640), (4, 5359296320), (5, 4287437056), (7, 3062455040), (8, 2679648160), (10, 2143718528), (14, 1531227520), (16, 1339824080), (20, 1071859264), (28, 765613760), (32, 669912040), (35, 612491008), (40, 535929632), (56, 382806880), (64, 334956020), (70, 306245504), (80, 267964816), (112, 191403440), (128, 167478010), (140, 153122752), (160, 133982408), (224, 95701720), (256, 83739005), (280, 76561376), (320, 66991204), (421, 50919680), (448, 47850860), (560, 38280688), (640, 33495602), (842, 25459840), (896, 23925430), (1120, 19140344), (1280, 16747801), (1684, 12729920), (1792, 11962715), (2105, 10183936), (2240, 9570172), (2947, 7274240), (3368, 6364960), (4210, 5091968), (4480, 4785086), (5683, 3772160), (5894, 3637120), (6736, 3182480), (8420, 2545984), (8960, 2392543), (11366, 1886080), (11788, 1818560), (13472, 1591240), (14735, 1454848), (16840, 1272992), (22732, 943040), (23576, 909280), (26944, 795620), (28415, 754432), (29470, 727424), (33680, 636496), (39781, 538880), (45464, 471520), (47152, 454640), (53888, 397810), (56830, 377216), (58940, 363712), (67360, 318248), (79562, 269440), (90928, 235760), (94304, 227320), (107776, 198905), (113660, 188608), (117880, 181856), (134720, 159124)]