21709530

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{2213}}^1$

素因数の和:2335

約数の個数: 48

約数和(自身を含む): 56988360

約数和(自身を除く): 35278830

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 109, 218, 327, 545, 654, 981, 1090, 1635, 1962, 2213, 3270, 4426, 4905, 6639, 9810, 11065, 13278, 19917, 22130, 33195, 39834, 66390, 99585, 199170, 241217, 482434, 723651, 1206085, 1447302, 2170953, 2412170, 3618255, 4341906, 7236510, 10854765, 21709530]

約数ペア:

[(1, 21709530), (2, 10854765), (3, 7236510), (5, 4341906), (6, 3618255), (9, 2412170), (10, 2170953), (15, 1447302), (18, 1206085), (30, 723651), (45, 482434), (90, 241217), (109, 199170), (218, 99585), (327, 66390), (545, 39834), (654, 33195), (981, 22130), (1090, 19917), (1635, 13278), (1962, 11065), (2213, 9810), (3270, 6639), (4426, 4905)]