21429930

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{10061}}^1$

素因数の和:10142

約数の個数: 32

約数和(自身を含む): 52161408

約数和(自身を除く): 30731478

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 71, 142, 213, 355, 426, 710, 1065, 2130, 10061, 20122, 30183, 50305, 60366, 100610, 150915, 301830, 714331, 1428662, 2142993, 3571655, 4285986, 7143310, 10714965, 21429930]

約数ペア:

[(1, 21429930), (2, 10714965), (3, 7143310), (5, 4285986), (6, 3571655), (10, 2142993), (15, 1428662), (30, 714331), (71, 301830), (142, 150915), (213, 100610), (355, 60366), (426, 50305), (710, 30183), (1065, 20122), (2130, 10061)]