21455310

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{113}}^1\times {\mathrm{6329}}^1$

素因数の和:6452

約数の個数: 32

約数和(自身を含む): 51956640

約数和(自身を除く): 30501330

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 113, 226, 339, 565, 678, 1130, 1695, 3390, 6329, 12658, 18987, 31645, 37974, 63290, 94935, 189870, 715177, 1430354, 2145531, 3575885, 4291062, 7151770, 10727655, 21455310]

約数ペア:

[(1, 21455310), (2, 10727655), (3, 7151770), (5, 4291062), (6, 3575885), (10, 2145531), (15, 1430354), (30, 715177), (113, 189870), (226, 94935), (339, 63290), (565, 37974), (678, 31645), (1130, 18987), (1695, 12658), (3390, 6329)]