21053202426

素因数分解:

$2^1\times 3^3\times {\mathrm{61}}^1\times {\mathrm{6391379}}^1$

素因数の和:6391451

約数の個数: 32

約数和(自身を含む): 47551867200

約数和(自身を除く): 26498664774

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 61, 122, 183, 366, 549, 1098, 1647, 3294, 6391379, 12782758, 19174137, 38348274, 57522411, 115044822, 172567233, 345134466, 389874119, 779748238, 1169622357, 2339244714, 3508867071, 7017734142, 10526601213, 21053202426]

約数ペア:

[(1, 21053202426), (2, 10526601213), (3, 7017734142), (6, 3508867071), (9, 2339244714), (18, 1169622357), (27, 779748238), (54, 389874119), (61, 345134466), (122, 172567233), (183, 115044822), (366, 57522411), (549, 38348274), (1098, 19174137), (1647, 12782758), (3294, 6391379)]