21628244

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{3299}}^1$

素因数の和:3463

約数の個数: 24

約数和(自身を含む): 41580000

約数和(自身を除く): 19951756

約数列:

[1, 2, 4, 11, 22, 44, 149, 298, 596, 1639, 3278, 3299, 6556, 6598, 13196, 36289, 72578, 145156, 491551, 983102, 1966204, 5407061, 10814122, 21628244]

約数ペア:

[(1, 21628244), (2, 10814122), (4, 5407061), (11, 1966204), (22, 983102), (44, 491551), (149, 145156), (298, 72578), (596, 36289), (1639, 13196), (3278, 6598), (3299, 6556)]