21917580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{365293}}^1$

素因数の和:365305

約数の個数: 24

約数和(自身を含む): 61369392

約数和(自身を除く): 39451812

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 365293, 730586, 1095879, 1461172, 1826465, 2191758, 3652930, 4383516, 5479395, 7305860, 10958790, 21917580]

約数ペア:

[(1, 21917580), (2, 10958790), (3, 7305860), (4, 5479395), (5, 4383516), (6, 3652930), (10, 2191758), (12, 1826465), (15, 1461172), (20, 1095879), (30, 730586), (60, 365293)]