21534585

素因数分解:

$3^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{13171}}^1$

素因数の和:13288

約数の個数: 16

約数和(自身を含む): 34774080

約数和(自身を除く): 13239495

約数列:

[1, 3, 5, 15, 109, 327, 545, 1635, 13171, 39513, 65855, 197565, 1435639, 4306917, 7178195, 21534585]

約数ペア:

[(1, 21534585), (3, 7178195), (5, 4306917), (15, 1435639), (109, 197565), (327, 65855), (545, 39513), (1635, 13171)]