21916890

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{243521}}^1$

素因数の和:243534

約数の個数: 24

約数和(自身を含む): 56984148

約数和(自身を除く): 35067258

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 243521, 487042, 730563, 1217605, 1461126, 2191689, 2435210, 3652815, 4383378, 7305630, 10958445, 21916890]

約数ペア:

[(1, 21916890), (2, 10958445), (3, 7305630), (5, 4383378), (6, 3652815), (9, 2435210), (10, 2191689), (15, 1461126), (18, 1217605), (30, 730563), (45, 487042), (90, 243521)]