21902276

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{6301}}^1$

素因数の和:6395

約数の個数: 24

約数和(自身を含む): 42349440

約数和(自身を除く): 20447164

約数列:

[1, 2, 4, 11, 22, 44, 79, 158, 316, 869, 1738, 3476, 6301, 12602, 25204, 69311, 138622, 277244, 497779, 995558, 1991116, 5475569, 10951138, 21902276]

約数ペア:

[(1, 21902276), (2, 10951138), (4, 5475569), (11, 1991116), (22, 995558), (44, 497779), (79, 277244), (158, 138622), (316, 69311), (869, 25204), (1738, 12602), (3476, 6301)]