21651390

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{240571}}^1$

素因数の和:240584

約数の個数: 24

約数和(自身を含む): 56293848

約数和(自身を除く): 34642458

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 240571, 481142, 721713, 1202855, 1443426, 2165139, 2405710, 3608565, 4330278, 7217130, 10825695, 21651390]

約数ペア:

[(1, 21651390), (2, 10825695), (3, 7217130), (5, 4330278), (6, 3608565), (9, 2405710), (10, 2165139), (15, 1443426), (18, 1202855), (30, 721713), (45, 481142), (90, 240571)]