21135930

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41443}}^1$

素因数の和:41470

約数の個数: 32

約数和(自身を含む): 53711424

約数和(自身を除く): 32575494

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 51, 85, 102, 170, 255, 510, 41443, 82886, 124329, 207215, 248658, 414430, 621645, 704531, 1243290, 1409062, 2113593, 3522655, 4227186, 7045310, 10567965, 21135930]

約数ペア:

[(1, 21135930), (2, 10567965), (3, 7045310), (5, 4227186), (6, 3522655), (10, 2113593), (15, 1409062), (17, 1243290), (30, 704531), (34, 621645), (51, 414430), (85, 248658), (102, 207215), (170, 124329), (255, 82886), (510, 41443)]