21860595

素因数分解:

$3^2\times 5^1\times {\mathrm{457}}^1\times {\mathrm{1063}}^1$

素因数の和:1531

約数の個数: 24

約数和(自身を含む): 38010336

約数和(自身を除く): 16149741

約数列:

[1, 3, 5, 9, 15, 45, 457, 1063, 1371, 2285, 3189, 4113, 5315, 6855, 9567, 15945, 20565, 47835, 485791, 1457373, 2428955, 4372119, 7286865, 21860595]

約数ペア:

[(1, 21860595), (3, 7286865), (5, 4372119), (9, 2428955), (15, 1457373), (45, 485791), (457, 47835), (1063, 20565), (1371, 15945), (2285, 9567), (3189, 6855), (4113, 5315)]