21910688

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{40277}}^1$

素因数の和:40304

約数の個数: 24

約数和(自身を含む): 45675252

約数和(自身を除く): 23764564

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 136, 272, 544, 40277, 80554, 161108, 322216, 644432, 684709, 1288864, 1369418, 2738836, 5477672, 10955344, 21910688]

約数ペア:

[(1, 21910688), (2, 10955344), (4, 5477672), (8, 2738836), (16, 1369418), (17, 1288864), (32, 684709), (34, 644432), (68, 322216), (136, 161108), (272, 80554), (544, 40277)]