21655110

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{42461}}^1$

素因数の和:42488

約数の個数: 32

約数和(自身を含む): 55030752

約数和(自身を除く): 33375642

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 51, 85, 102, 170, 255, 510, 42461, 84922, 127383, 212305, 254766, 424610, 636915, 721837, 1273830, 1443674, 2165511, 3609185, 4331022, 7218370, 10827555, 21655110]

約数ペア:

[(1, 21655110), (2, 10827555), (3, 7218370), (5, 4331022), (6, 3609185), (10, 2165511), (15, 1443674), (17, 1273830), (30, 721837), (34, 636915), (51, 424610), (85, 254766), (102, 212305), (170, 127383), (255, 84922), (510, 42461)]