21741565440

素因数分解:

$2^9\times 3^1\times 5^1\times 7^1\times {\mathrm{404419}}^1$

素因数の和:404452

約数の個数: 160

約数和(自身を含む): 79434558720

約数和(自身を除く): 57692993280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 128, 140, 160, 168, 192, 210, 224, 240, 256, 280, 320, 336, 384, 420, 448, 480, 512, 560, 640, 672, 768, 840, 896, 960, 1120, 1280, 1344, 1536, 1680, 1792, 1920, 2240, 2560, 2688, 3360, 3584, 3840, 4480, 5376, 6720, 7680, 8960, 10752, 13440, 17920, 26880, 53760, 404419, 808838, 1213257, 1617676, 2022095, 2426514, 2830933, 3235352, 4044190, 4853028, 5661866, 6066285, 6470704, 8088380, 8492799, 9706056, 11323732, 12132570, 12941408, 14154665, 16176760, 16985598, 19412112, 22647464, 24265140, 25882816, 28309330, 32353520, 33971196, 38824224, 42463995, 45294928, 48530280, 51765632, 56618660, 64707040, 67942392, 77648448, 84927990, 90589856, 97060560, 103531264, 113237320, 129414080, 135884784, 155296896, 169855980, 181179712, 194121120, 207062528, 226474640, 258828160, 271769568, 310593792, 339711960, 362359424, 388242240, 452949280, 517656320, 543539136, 621187584, 679423920, 724718848, 776484480, 905898560, 1035312640, 1087078272, 1358847840, 1449437696, 1552968960, 1811797120, 2174156544, 2717695680, 3105937920, 3623594240, 4348313088, 5435391360, 7247188480, 10870782720, 21741565440]

約数ペア:

[(1, 21741565440), (2, 10870782720), (3, 7247188480), (4, 5435391360), (5, 4348313088), (6, 3623594240), (7, 3105937920), (8, 2717695680), (10, 2174156544), (12, 1811797120), (14, 1552968960), (15, 1449437696), (16, 1358847840), (20, 1087078272), (21, 1035312640), (24, 905898560), (28, 776484480), (30, 724718848), (32, 679423920), (35, 621187584), (40, 543539136), (42, 517656320), (48, 452949280), (56, 388242240), (60, 362359424), (64, 339711960), (70, 310593792), (80, 271769568), (84, 258828160), (96, 226474640), (105, 207062528), (112, 194121120), (120, 181179712), (128, 169855980), (140, 155296896), (160, 135884784), (168, 129414080), (192, 113237320), (210, 103531264), (224, 97060560), (240, 90589856), (256, 84927990), (280, 77648448), (320, 67942392), (336, 64707040), (384, 56618660), (420, 51765632), (448, 48530280), (480, 45294928), (512, 42463995), (560, 38824224), (640, 33971196), (672, 32353520), (768, 28309330), (840, 25882816), (896, 24265140), (960, 22647464), (1120, 19412112), (1280, 16985598), (1344, 16176760), (1536, 14154665), (1680, 12941408), (1792, 12132570), (1920, 11323732), (2240, 9706056), (2560, 8492799), (2688, 8088380), (3360, 6470704), (3584, 6066285), (3840, 5661866), (4480, 4853028), (5376, 4044190), (6720, 3235352), (7680, 2830933), (8960, 2426514), (10752, 2022095), (13440, 1617676), (17920, 1213257), (26880, 808838), (53760, 404419)]