21205116

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{19001}}^1$

素因数の和:19042

約数の個数: 36

約数和(自身を含む): 55333824

約数和(自身を除く): 34128708

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 62, 93, 124, 186, 279, 372, 558, 1116, 19001, 38002, 57003, 76004, 114006, 171009, 228012, 342018, 589031, 684036, 1178062, 1767093, 2356124, 3534186, 5301279, 7068372, 10602558, 21205116]

約数ペア:

[(1, 21205116), (2, 10602558), (3, 7068372), (4, 5301279), (6, 3534186), (9, 2356124), (12, 1767093), (18, 1178062), (31, 684036), (36, 589031), (62, 342018), (93, 228012), (124, 171009), (186, 114006), (279, 76004), (372, 57003), (558, 38002), (1116, 19001)]