21250611876

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{835717}}^1$

素因数の和:835900

約数の個数: 48

約数和(自身を含む): 53726638784

約数和(自身を除く): 32476026908

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 163, 326, 489, 652, 978, 1956, 2119, 4238, 6357, 8476, 12714, 25428, 835717, 1671434, 2507151, 3342868, 5014302, 10028604, 10864321, 21728642, 32592963, 43457284, 65185926, 130371852, 136221871, 272443742, 408665613, 544887484, 817331226, 1634662452, 1770884323, 3541768646, 5312652969, 7083537292, 10625305938, 21250611876]

約数ペア:

[(1, 21250611876), (2, 10625305938), (3, 7083537292), (4, 5312652969), (6, 3541768646), (12, 1770884323), (13, 1634662452), (26, 817331226), (39, 544887484), (52, 408665613), (78, 272443742), (156, 136221871), (163, 130371852), (326, 65185926), (489, 43457284), (652, 32592963), (978, 21728642), (1956, 10864321), (2119, 10028604), (4238, 5014302), (6357, 3342868), (8476, 2507151), (12714, 1671434), (25428, 835717)]