21038880

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{827}}^1$

素因数の和:898

約数の個数: 96

約数和(自身を含む): 67604544

約数和(自身を除く): 46565664

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 53, 60, 80, 96, 106, 120, 159, 160, 212, 240, 265, 318, 424, 480, 530, 636, 795, 827, 848, 1060, 1272, 1590, 1654, 1696, 2120, 2481, 2544, 3180, 3308, 4135, 4240, 4962, 5088, 6360, 6616, 8270, 8480, 9924, 12405, 12720, 13232, 16540, 19848, 24810, 25440, 26464, 33080, 39696, 43831, 49620, 66160, 79392, 87662, 99240, 131493, 132320, 175324, 198480, 219155, 262986, 350648, 396960, 438310, 525972, 657465, 701296, 876620, 1051944, 1314930, 1402592, 1753240, 2103888, 2629860, 3506480, 4207776, 5259720, 7012960, 10519440, 21038880]

約数ペア:

[(1, 21038880), (2, 10519440), (3, 7012960), (4, 5259720), (5, 4207776), (6, 3506480), (8, 2629860), (10, 2103888), (12, 1753240), (15, 1402592), (16, 1314930), (20, 1051944), (24, 876620), (30, 701296), (32, 657465), (40, 525972), (48, 438310), (53, 396960), (60, 350648), (80, 262986), (96, 219155), (106, 198480), (120, 175324), (159, 132320), (160, 131493), (212, 99240), (240, 87662), (265, 79392), (318, 66160), (424, 49620), (480, 43831), (530, 39696), (636, 33080), (795, 26464), (827, 25440), (848, 24810), (1060, 19848), (1272, 16540), (1590, 13232), (1654, 12720), (1696, 12405), (2120, 9924), (2481, 8480), (2544, 8270), (3180, 6616), (3308, 6360), (4135, 5088), (4240, 4962)]