21795870

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{42737}}^1$

素因数の和:42764

約数の個数: 32

約数和(自身を含む): 55388448

約数和(自身を除く): 33592578

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 51, 85, 102, 170, 255, 510, 42737, 85474, 128211, 213685, 256422, 427370, 641055, 726529, 1282110, 1453058, 2179587, 3632645, 4359174, 7265290, 10897935, 21795870]

約数ペア:

[(1, 21795870), (2, 10897935), (3, 7265290), (5, 4359174), (6, 3632645), (10, 2179587), (15, 1453058), (17, 1282110), (30, 726529), (34, 641055), (51, 427370), (85, 256422), (102, 213685), (170, 128211), (255, 85474), (510, 42737)]