21886788

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23687}}^1$

素因数の和:23712

約数の個数: 48

約数和(自身を含む): 63673344

約数和(自身を除く): 41786556

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 14, 21, 22, 28, 33, 42, 44, 66, 77, 84, 132, 154, 231, 308, 462, 924, 23687, 47374, 71061, 94748, 142122, 165809, 260557, 284244, 331618, 497427, 521114, 663236, 781671, 994854, 1042228, 1563342, 1823899, 1989708, 3126684, 3647798, 5471697, 7295596, 10943394, 21886788]

約数ペア:

[(1, 21886788), (2, 10943394), (3, 7295596), (4, 5471697), (6, 3647798), (7, 3126684), (11, 1989708), (12, 1823899), (14, 1563342), (21, 1042228), (22, 994854), (28, 781671), (33, 663236), (42, 521114), (44, 497427), (66, 331618), (77, 284244), (84, 260557), (132, 165809), (154, 142122), (231, 94748), (308, 71061), (462, 47374), (924, 23687)]