21333030

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{13417}}^1$

素因数の和:13480

約数の個数: 32

約数和(自身を含む): 52169184

約数和(自身を除く): 30836154

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 53, 106, 159, 265, 318, 530, 795, 1590, 13417, 26834, 40251, 67085, 80502, 134170, 201255, 402510, 711101, 1422202, 2133303, 3555505, 4266606, 7111010, 10666515, 21333030]

約数ペア:

[(1, 21333030), (2, 10666515), (3, 7111010), (5, 4266606), (6, 3555505), (10, 2133303), (15, 1422202), (30, 711101), (53, 402510), (106, 201255), (159, 134170), (265, 80502), (318, 67085), (530, 40251), (795, 26834), (1590, 13417)]