21779430

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{725981}}^1$

素因数の和:725991

約数の個数: 16

約数和(自身を含む): 52270704

約数和(自身を除く): 30491274

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 725981, 1451962, 2177943, 3629905, 4355886, 7259810, 10889715, 21779430]

約数ペア:

[(1, 21779430), (2, 10889715), (3, 7259810), (5, 4355886), (6, 3629905), (10, 2177943), (15, 1451962), (30, 725981)]