21276696

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{1423}}^1$

素因数の和:1528

約数の個数: 64

約数和(自身を含む): 61516800

約数和(自身を除く): 40240104

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 89, 168, 178, 267, 356, 534, 623, 712, 1068, 1246, 1423, 1869, 2136, 2492, 2846, 3738, 4269, 4984, 5692, 7476, 8538, 9961, 11384, 14952, 17076, 19922, 29883, 34152, 39844, 59766, 79688, 119532, 126647, 239064, 253294, 379941, 506588, 759882, 886529, 1013176, 1519764, 1773058, 2659587, 3039528, 3546116, 5319174, 7092232, 10638348, 21276696]

約数ペア:

[(1, 21276696), (2, 10638348), (3, 7092232), (4, 5319174), (6, 3546116), (7, 3039528), (8, 2659587), (12, 1773058), (14, 1519764), (21, 1013176), (24, 886529), (28, 759882), (42, 506588), (56, 379941), (84, 253294), (89, 239064), (168, 126647), (178, 119532), (267, 79688), (356, 59766), (534, 39844), (623, 34152), (712, 29883), (1068, 19922), (1246, 17076), (1423, 14952), (1869, 11384), (2136, 9961), (2492, 8538), (2846, 7476), (3738, 5692), (4269, 4984)]