21790782

素因数分解:

$2^1\times 3^5\times {\mathrm{13}}^1\times {\mathrm{3449}}^1$

素因数の和:3479

約数の個数: 48

約数和(自身を含む): 52743600

約数和(自身を除く): 30952818

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 81, 117, 162, 234, 243, 351, 486, 702, 1053, 2106, 3159, 3449, 6318, 6898, 10347, 20694, 31041, 44837, 62082, 89674, 93123, 134511, 186246, 269022, 279369, 403533, 558738, 807066, 838107, 1210599, 1676214, 2421198, 3631797, 7263594, 10895391, 21790782]

約数ペア:

[(1, 21790782), (2, 10895391), (3, 7263594), (6, 3631797), (9, 2421198), (13, 1676214), (18, 1210599), (26, 838107), (27, 807066), (39, 558738), (54, 403533), (78, 279369), (81, 269022), (117, 186246), (162, 134511), (234, 93123), (243, 89674), (351, 62082), (486, 44837), (702, 31041), (1053, 20694), (2106, 10347), (3159, 6898), (3449, 6318)]