21006342

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{293}}^1\times {\mathrm{569}}^1$

素因数の和:877

約数の個数: 48

約数和(自身を含む): 52284960

約数和(自身を除く): 31278618

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 293, 569, 586, 879, 1138, 1707, 1758, 2051, 2637, 3414, 3983, 4102, 5121, 5274, 6153, 7966, 10242, 11949, 12306, 18459, 23898, 35847, 36918, 71694, 166717, 333434, 500151, 1000302, 1167019, 1500453, 2334038, 3000906, 3501057, 7002114, 10503171, 21006342]

約数ペア:

[(1, 21006342), (2, 10503171), (3, 7002114), (6, 3501057), (7, 3000906), (9, 2334038), (14, 1500453), (18, 1167019), (21, 1000302), (42, 500151), (63, 333434), (126, 166717), (293, 71694), (569, 36918), (586, 35847), (879, 23898), (1138, 18459), (1707, 12306), (1758, 11949), (2051, 10242), (2637, 7966), (3414, 6153), (3983, 5274), (4102, 5121)]