21259644

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{3467}}^1$

素因数の和:3554

約数の個数: 48

約数和(自身を含む): 57485568

約数和(自身を除く): 36225924

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 73, 84, 146, 219, 292, 438, 511, 876, 1022, 1533, 2044, 3066, 3467, 6132, 6934, 10401, 13868, 20802, 24269, 41604, 48538, 72807, 97076, 145614, 253091, 291228, 506182, 759273, 1012364, 1518546, 1771637, 3037092, 3543274, 5314911, 7086548, 10629822, 21259644]

約数ペア:

[(1, 21259644), (2, 10629822), (3, 7086548), (4, 5314911), (6, 3543274), (7, 3037092), (12, 1771637), (14, 1518546), (21, 1012364), (28, 759273), (42, 506182), (73, 291228), (84, 253091), (146, 145614), (219, 97076), (292, 72807), (438, 48538), (511, 41604), (876, 24269), (1022, 20802), (1533, 13868), (2044, 10401), (3066, 6934), (3467, 6132)]