21006468

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{2689}}^1$

素因数の和:2737

約数の個数: 72

約数和(自身を含む): 62666240

約数和(自身を除く): 41659772

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 31, 36, 42, 62, 63, 84, 93, 124, 126, 186, 217, 252, 279, 372, 434, 558, 651, 868, 1116, 1302, 1953, 2604, 2689, 3906, 5378, 7812, 8067, 10756, 16134, 18823, 24201, 32268, 37646, 48402, 56469, 75292, 83359, 96804, 112938, 166718, 169407, 225876, 250077, 333436, 338814, 500154, 583513, 677628, 750231, 1000308, 1167026, 1500462, 1750539, 2334052, 3000924, 3501078, 5251617, 7002156, 10503234, 21006468]

約数ペア:

[(1, 21006468), (2, 10503234), (3, 7002156), (4, 5251617), (6, 3501078), (7, 3000924), (9, 2334052), (12, 1750539), (14, 1500462), (18, 1167026), (21, 1000308), (28, 750231), (31, 677628), (36, 583513), (42, 500154), (62, 338814), (63, 333436), (84, 250077), (93, 225876), (124, 169407), (126, 166718), (186, 112938), (217, 96804), (252, 83359), (279, 75292), (372, 56469), (434, 48402), (558, 37646), (651, 32268), (868, 24201), (1116, 18823), (1302, 16134), (1953, 10756), (2604, 8067), (2689, 7812), (3906, 5378)]