21426630

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{42013}}^1$

素因数の和:42040

約数の個数: 32

約数和(自身を含む): 54450144

約数和(自身を除く): 33023514

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 51, 85, 102, 170, 255, 510, 42013, 84026, 126039, 210065, 252078, 420130, 630195, 714221, 1260390, 1428442, 2142663, 3571105, 4285326, 7142210, 10713315, 21426630]

約数ペア:

[(1, 21426630), (2, 10713315), (3, 7142210), (5, 4285326), (6, 3571105), (10, 2142663), (15, 1428442), (17, 1260390), (30, 714221), (34, 630195), (51, 420130), (85, 252078), (102, 210065), (170, 126039), (255, 84026), (510, 42013)]