21907072

素因数分解:

$2^7\times {\mathrm{11}}^1\times {\mathrm{15559}}^1$

素因数の和:15584

約数の個数: 32

約数和(自身を含む): 47613600

約数和(自身を除く): 25706528

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 88, 128, 176, 352, 704, 1408, 15559, 31118, 62236, 124472, 171149, 248944, 342298, 497888, 684596, 995776, 1369192, 1991552, 2738384, 5476768, 10953536, 21907072]

約数ペア:

[(1, 21907072), (2, 10953536), (4, 5476768), (8, 2738384), (11, 1991552), (16, 1369192), (22, 995776), (32, 684596), (44, 497888), (64, 342298), (88, 248944), (128, 171149), (176, 124472), (352, 62236), (704, 31118), (1408, 15559)]