21259134

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{1933}}^1$

素因数の和:2001

約数の個数: 48

約数和(自身を含む): 50686272

約数和(自身を除く): 29427138

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 47, 78, 94, 117, 141, 234, 282, 423, 611, 846, 1222, 1833, 1933, 3666, 3866, 5499, 5799, 10998, 11598, 17397, 25129, 34794, 50258, 75387, 90851, 150774, 181702, 226161, 272553, 452322, 545106, 817659, 1181063, 1635318, 2362126, 3543189, 7086378, 10629567, 21259134]

約数ペア:

[(1, 21259134), (2, 10629567), (3, 7086378), (6, 3543189), (9, 2362126), (13, 1635318), (18, 1181063), (26, 817659), (39, 545106), (47, 452322), (78, 272553), (94, 226161), (117, 181702), (141, 150774), (234, 90851), (282, 75387), (423, 50258), (611, 34794), (846, 25129), (1222, 17397), (1833, 11598), (1933, 10998), (3666, 5799), (3866, 5499)]