21658686

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{3203}}^1$

素因数の和:3245

約数の個数: 48

約数和(自身を含む): 52596864

約数和(自身を除く): 30938178

約数列:

[1, 2, 3, 6, 7, 14, 21, 23, 42, 46, 49, 69, 98, 138, 147, 161, 294, 322, 483, 966, 1127, 2254, 3203, 3381, 6406, 6762, 9609, 19218, 22421, 44842, 67263, 73669, 134526, 147338, 156947, 221007, 313894, 442014, 470841, 515683, 941682, 1031366, 1547049, 3094098, 3609781, 7219562, 10829343, 21658686]

約数ペア:

[(1, 21658686), (2, 10829343), (3, 7219562), (6, 3609781), (7, 3094098), (14, 1547049), (21, 1031366), (23, 941682), (42, 515683), (46, 470841), (49, 442014), (69, 313894), (98, 221007), (138, 156947), (147, 147338), (161, 134526), (294, 73669), (322, 67263), (483, 44842), (966, 22421), (1127, 19218), (2254, 9609), (3203, 6762), (3381, 6406)]