21670866

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{293}}^1\times {\mathrm{587}}^1$

素因数の和:895

約数の個数: 48

約数和(自身を含む): 53936064

約数和(自身を除く): 32265198

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 293, 586, 587, 879, 1174, 1758, 1761, 2051, 2637, 3522, 4102, 4109, 5274, 5283, 6153, 8218, 10566, 12306, 12327, 18459, 24654, 36918, 36981, 73962, 171991, 343982, 515973, 1031946, 1203937, 1547919, 2407874, 3095838, 3611811, 7223622, 10835433, 21670866]

約数ペア:

[(1, 21670866), (2, 10835433), (3, 7223622), (6, 3611811), (7, 3095838), (9, 2407874), (14, 1547919), (18, 1203937), (21, 1031946), (42, 515973), (63, 343982), (126, 171991), (293, 73962), (586, 36981), (587, 36918), (879, 24654), (1174, 18459), (1758, 12327), (1761, 12306), (2051, 10566), (2637, 8218), (3522, 6153), (4102, 5283), (4109, 5274)]