21946508

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{1601}}^1$

素因数の和:1777

約数の個数: 24

約数和(自身を含む): 40370400

約数和(自身を除く): 18423892

約数列:

[1, 2, 4, 23, 46, 92, 149, 298, 596, 1601, 3202, 3427, 6404, 6854, 13708, 36823, 73646, 147292, 238549, 477098, 954196, 5486627, 10973254, 21946508]

約数ペア:

[(1, 21946508), (2, 10973254), (4, 5486627), (23, 954196), (46, 477098), (92, 238549), (149, 147292), (298, 73646), (596, 36823), (1601, 13708), (3202, 6854), (3427, 6404)]