21349592

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{83}}^1$

素因数の和:216

約数の個数: 64

約数和(自身を含む): 45964800

約数和(自身を除く): 24615208

約数列:

[1, 2, 4, 8, 11, 22, 37, 44, 74, 79, 83, 88, 148, 158, 166, 296, 316, 332, 407, 632, 664, 814, 869, 913, 1628, 1738, 1826, 2923, 3071, 3256, 3476, 3652, 5846, 6142, 6557, 6952, 7304, 11692, 12284, 13114, 23384, 24568, 26228, 32153, 33781, 52456, 64306, 67562, 72127, 128612, 135124, 144254, 242609, 257224, 270248, 288508, 485218, 577016, 970436, 1940872, 2668699, 5337398, 10674796, 21349592]

約数ペア:

[(1, 21349592), (2, 10674796), (4, 5337398), (8, 2668699), (11, 1940872), (22, 970436), (37, 577016), (44, 485218), (74, 288508), (79, 270248), (83, 257224), (88, 242609), (148, 144254), (158, 135124), (166, 128612), (296, 72127), (316, 67562), (332, 64306), (407, 52456), (632, 33781), (664, 32153), (814, 26228), (869, 24568), (913, 23384), (1628, 13114), (1738, 12284), (1826, 11692), (2923, 7304), (3071, 6952), (3256, 6557), (3476, 6142), (3652, 5846)]