21136570

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23227}}^1$

素因数の和:23254

約数の個数: 32

約数和(自身を含む): 46827648

約数和(自身を除く): 25691078

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 455, 910, 23227, 46454, 116135, 162589, 232270, 301951, 325178, 603902, 812945, 1509755, 1625890, 2113657, 3019510, 4227314, 10568285, 21136570]

約数ペア:

[(1, 21136570), (2, 10568285), (5, 4227314), (7, 3019510), (10, 2113657), (13, 1625890), (14, 1509755), (26, 812945), (35, 603902), (65, 325178), (70, 301951), (91, 232270), (130, 162589), (182, 116135), (455, 46454), (910, 23227)]