21650010

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{42451}}^1$

素因数の和:42478

約数の個数: 32

約数和(自身を含む): 55017792

約数和(自身を除く): 33367782

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 51, 85, 102, 170, 255, 510, 42451, 84902, 127353, 212255, 254706, 424510, 636765, 721667, 1273530, 1443334, 2165001, 3608335, 4330002, 7216670, 10825005, 21650010]

約数ペア:

[(1, 21650010), (2, 10825005), (3, 7216670), (5, 4330002), (6, 3608335), (10, 2165001), (15, 1443334), (17, 1273530), (30, 721667), (34, 636765), (51, 424510), (85, 254706), (102, 212255), (170, 127353), (255, 84902), (510, 42451)]