21638192

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{36551}}^1$

素因数の和:36596

約数の個数: 20

約数和(自身を含む): 43058256

約数和(自身を除く): 21420064

約数列:

[1, 2, 4, 8, 16, 37, 74, 148, 296, 592, 36551, 73102, 146204, 292408, 584816, 1352387, 2704774, 5409548, 10819096, 21638192]

約数ペア:

[(1, 21638192), (2, 10819096), (4, 5409548), (8, 2704774), (16, 1352387), (37, 584816), (74, 292408), (148, 146204), (296, 73102), (592, 36551)]