21212544

素因数分解:

$2^7\times 3^1\times {\mathrm{37}}^1\times {\mathrm{1493}}^1$

素因数の和:1547

約数の個数: 64

約数和(自身を含む): 57907440

約数和(自身を除く): 36694896

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 37, 48, 64, 74, 96, 111, 128, 148, 192, 222, 296, 384, 444, 592, 888, 1184, 1493, 1776, 2368, 2986, 3552, 4479, 4736, 5972, 7104, 8958, 11944, 14208, 17916, 23888, 35832, 47776, 55241, 71664, 95552, 110482, 143328, 165723, 191104, 220964, 286656, 331446, 441928, 573312, 662892, 883856, 1325784, 1767712, 2651568, 3535424, 5303136, 7070848, 10606272, 21212544]

約数ペア:

[(1, 21212544), (2, 10606272), (3, 7070848), (4, 5303136), (6, 3535424), (8, 2651568), (12, 1767712), (16, 1325784), (24, 883856), (32, 662892), (37, 573312), (48, 441928), (64, 331446), (74, 286656), (96, 220964), (111, 191104), (128, 165723), (148, 143328), (192, 110482), (222, 95552), (296, 71664), (384, 55241), (444, 47776), (592, 35832), (888, 23888), (1184, 17916), (1493, 14208), (1776, 11944), (2368, 8958), (2986, 7104), (3552, 5972), (4479, 4736)]