21359682

素因数分解:

$2^1\times 3^2\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{379}}^1$

素因数の和:519

約数の個数: 48

約数和(自身を含む): 48372480

約数和(自身を除く): 27012798

約数列:

[1, 2, 3, 6, 9, 18, 31, 62, 93, 101, 186, 202, 279, 303, 379, 558, 606, 758, 909, 1137, 1818, 2274, 3131, 3411, 6262, 6822, 9393, 11749, 18786, 23498, 28179, 35247, 38279, 56358, 70494, 76558, 105741, 114837, 211482, 229674, 344511, 689022, 1186649, 2373298, 3559947, 7119894, 10679841, 21359682]

約数ペア:

[(1, 21359682), (2, 10679841), (3, 7119894), (6, 3559947), (9, 2373298), (18, 1186649), (31, 689022), (62, 344511), (93, 229674), (101, 211482), (186, 114837), (202, 105741), (279, 76558), (303, 70494), (379, 56358), (558, 38279), (606, 35247), (758, 28179), (909, 23498), (1137, 18786), (1818, 11749), (2274, 9393), (3131, 6822), (3411, 6262)]