21945336

素因数分解:

$2^3\times 3^1\times 7^2\times {\mathrm{18661}}^1$

素因数の和:18684

約数の個数: 48

約数和(自身を含む): 63824040

約数和(自身を除く): 41878704

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 49, 56, 84, 98, 147, 168, 196, 294, 392, 588, 1176, 18661, 37322, 55983, 74644, 111966, 130627, 149288, 223932, 261254, 391881, 447864, 522508, 783762, 914389, 1045016, 1567524, 1828778, 2743167, 3135048, 3657556, 5486334, 7315112, 10972668, 21945336]

約数ペア:

[(1, 21945336), (2, 10972668), (3, 7315112), (4, 5486334), (6, 3657556), (7, 3135048), (8, 2743167), (12, 1828778), (14, 1567524), (21, 1045016), (24, 914389), (28, 783762), (42, 522508), (49, 447864), (56, 391881), (84, 261254), (98, 223932), (147, 149288), (168, 130627), (196, 111966), (294, 74644), (392, 55983), (588, 37322), (1176, 18661)]