21947848

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{883}}^1$

素因数の和:1141

約数の個数: 32

約数和(自身を含む): 44553600

約数和(自身を除く): 22605752

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 239, 478, 883, 956, 1766, 1912, 3107, 3532, 6214, 7064, 11479, 12428, 22958, 24856, 45916, 91832, 211037, 422074, 844148, 1688296, 2743481, 5486962, 10973924, 21947848]

約数ペア:

[(1, 21947848), (2, 10973924), (4, 5486962), (8, 2743481), (13, 1688296), (26, 844148), (52, 422074), (104, 211037), (239, 91832), (478, 45916), (883, 24856), (956, 22958), (1766, 12428), (1912, 11479), (3107, 7064), (3532, 6214)]