21694772

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{137}}^1$

素因数の和:272

約数の個数: 48

約数和(自身を含む): 43122240

約数和(自身を除く): 21427468

約数列:

[1, 2, 4, 11, 22, 44, 59, 61, 118, 122, 137, 236, 244, 274, 548, 649, 671, 1298, 1342, 1507, 2596, 2684, 3014, 3599, 6028, 7198, 8083, 8357, 14396, 16166, 16714, 32332, 33428, 39589, 79178, 88913, 91927, 158356, 177826, 183854, 355652, 367708, 493063, 986126, 1972252, 5423693, 10847386, 21694772]

約数ペア:

[(1, 21694772), (2, 10847386), (4, 5423693), (11, 1972252), (22, 986126), (44, 493063), (59, 367708), (61, 355652), (118, 183854), (122, 177826), (137, 158356), (236, 91927), (244, 88913), (274, 79178), (548, 39589), (649, 33428), (671, 32332), (1298, 16714), (1342, 16166), (1507, 14396), (2596, 8357), (2684, 8083), (3014, 7198), (3599, 6028)]