21648819036

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{1756639}}^1$

素因数の和:1756738

約数の個数: 48

約数和(自身を含む): 55088230400

約数和(自身を除く): 33439411364

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 79, 156, 158, 237, 316, 474, 948, 1027, 2054, 3081, 4108, 6162, 12324, 1756639, 3513278, 5269917, 7026556, 10539834, 21079668, 22836307, 45672614, 68508921, 91345228, 137017842, 138774481, 274035684, 277548962, 416323443, 555097924, 832646886, 1665293772, 1804068253, 3608136506, 5412204759, 7216273012, 10824409518, 21648819036]

約数ペア:

[(1, 21648819036), (2, 10824409518), (3, 7216273012), (4, 5412204759), (6, 3608136506), (12, 1804068253), (13, 1665293772), (26, 832646886), (39, 555097924), (52, 416323443), (78, 277548962), (79, 274035684), (156, 138774481), (158, 137017842), (237, 91345228), (316, 68508921), (474, 45672614), (948, 22836307), (1027, 21079668), (2054, 10539834), (3081, 7026556), (4108, 5269917), (6162, 3513278), (12324, 1756639)]