21491130

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{569}}^1\times {\mathrm{1259}}^1$

素因数の和:1838

約数の個数: 32

約数和(自身を含む): 51710400

約数和(自身を除く): 30219270

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 569, 1138, 1259, 1707, 2518, 2845, 3414, 3777, 5690, 6295, 7554, 8535, 12590, 17070, 18885, 37770, 716371, 1432742, 2149113, 3581855, 4298226, 7163710, 10745565, 21491130]

約数ペア:

[(1, 21491130), (2, 10745565), (3, 7163710), (5, 4298226), (6, 3581855), (10, 2149113), (15, 1432742), (30, 716371), (569, 37770), (1138, 18885), (1259, 17070), (1707, 12590), (2518, 8535), (2845, 7554), (3414, 6295), (3777, 5690)]