21293090

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23399}}^1$

素因数の和:23426

約数の個数: 32

約数和(自身を含む): 47174400

約数和(自身を除く): 25881310

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 455, 910, 23399, 46798, 116995, 163793, 233990, 304187, 327586, 608374, 818965, 1520935, 1637930, 2129309, 3041870, 4258618, 10646545, 21293090]

約数ペア:

[(1, 21293090), (2, 10646545), (5, 4258618), (7, 3041870), (10, 2129309), (13, 1637930), (14, 1520935), (26, 818965), (35, 608374), (65, 327586), (70, 304187), (91, 233990), (130, 163793), (182, 116995), (455, 46798), (910, 23399)]