21035224

素因数分解:

$2^3\times 7^1\times {\mathrm{149}}^1\times {\mathrm{2521}}^1$

素因数の和:2683

約数の個数: 32

約数和(自身を含む): 45396000

約数和(自身を除く): 24360776

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 149, 298, 596, 1043, 1192, 2086, 2521, 4172, 5042, 8344, 10084, 17647, 20168, 35294, 70588, 141176, 375629, 751258, 1502516, 2629403, 3005032, 5258806, 10517612, 21035224]

約数ペア:

[(1, 21035224), (2, 10517612), (4, 5258806), (7, 3005032), (8, 2629403), (14, 1502516), (28, 751258), (56, 375629), (149, 141176), (298, 70588), (596, 35294), (1043, 20168), (1192, 17647), (2086, 10084), (2521, 8344), (4172, 5042)]