21635588

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{3037}}^1$

素因数の和:3191

約数の個数: 24

約数和(自身を含む): 41085912

約数和(自身を除く): 19450324

約数列:

[1, 2, 4, 13, 26, 52, 137, 274, 548, 1781, 3037, 3562, 6074, 7124, 12148, 39481, 78962, 157924, 416069, 832138, 1664276, 5408897, 10817794, 21635588]

約数ペア:

[(1, 21635588), (2, 10817794), (4, 5408897), (13, 1664276), (26, 832138), (52, 416069), (137, 157924), (274, 78962), (548, 39481), (1781, 12148), (3037, 7124), (3562, 6074)]