21556544

素因数分解:

$2^6\times {\mathrm{17}}^1\times {\mathrm{19813}}^1$

素因数の和:19842

約数の個数: 28

約数和(自身を含む): 45294804

約数和(自身を除く): 23738260

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 136, 272, 544, 1088, 19813, 39626, 79252, 158504, 317008, 336821, 634016, 673642, 1268032, 1347284, 2694568, 5389136, 10778272, 21556544]

約数ペア:

[(1, 21556544), (2, 10778272), (4, 5389136), (8, 2694568), (16, 1347284), (17, 1268032), (32, 673642), (34, 634016), (64, 336821), (68, 317008), (136, 158504), (272, 79252), (544, 39626), (1088, 19813)]