21602672

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{401}}^1$

素因数の和:466

約数の個数: 80

約数和(自身を含む): 53038272

約数和(自身を除く): 31435600

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 37, 52, 56, 74, 91, 104, 112, 148, 182, 208, 259, 296, 364, 401, 481, 518, 592, 728, 802, 962, 1036, 1456, 1604, 1924, 2072, 2807, 3208, 3367, 3848, 4144, 5213, 5614, 6416, 6734, 7696, 10426, 11228, 13468, 14837, 20852, 22456, 26936, 29674, 36491, 41704, 44912, 53872, 59348, 72982, 83408, 103859, 118696, 145964, 192881, 207718, 237392, 291928, 385762, 415436, 583856, 771524, 830872, 1350167, 1543048, 1661744, 2700334, 3086096, 5400668, 10801336, 21602672]

約数ペア:

[(1, 21602672), (2, 10801336), (4, 5400668), (7, 3086096), (8, 2700334), (13, 1661744), (14, 1543048), (16, 1350167), (26, 830872), (28, 771524), (37, 583856), (52, 415436), (56, 385762), (74, 291928), (91, 237392), (104, 207718), (112, 192881), (148, 145964), (182, 118696), (208, 103859), (259, 83408), (296, 72982), (364, 59348), (401, 53872), (481, 44912), (518, 41704), (592, 36491), (728, 29674), (802, 26936), (962, 22456), (1036, 20852), (1456, 14837), (1604, 13468), (1924, 11228), (2072, 10426), (2807, 7696), (3208, 6734), (3367, 6416), (3848, 5614), (4144, 5213)]