21638556

素因数分解:

$2^2\times 3^3\times {\mathrm{200357}}^1$

素因数の和:200370

約数の個数: 24

約数和(自身を含む): 56100240

約数和(自身を除く): 34461684

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 200357, 400714, 601071, 801428, 1202142, 1803213, 2404284, 3606426, 5409639, 7212852, 10819278, 21638556]

約数ペア:

[(1, 21638556), (2, 10819278), (3, 7212852), (4, 5409639), (6, 3606426), (9, 2404284), (12, 1803213), (18, 1202142), (27, 801428), (36, 601071), (54, 400714), (108, 200357)]