21359130

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{54767}}^1$

素因数の和:54790

約数の個数: 32

約数和(自身を含む): 55206144

約数和(自身を除く): 33847014

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 54767, 109534, 164301, 273835, 328602, 547670, 711971, 821505, 1423942, 1643010, 2135913, 3559855, 4271826, 7119710, 10679565, 21359130]

約数ペア:

[(1, 21359130), (2, 10679565), (3, 7119710), (5, 4271826), (6, 3559855), (10, 2135913), (13, 1643010), (15, 1423942), (26, 821505), (30, 711971), (39, 547670), (65, 328602), (78, 273835), (130, 164301), (195, 109534), (390, 54767)]