21236358

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{467}}^1$

素因数の和:549

約数の個数: 64

約数和(自身を含む): 50948352

約数和(自身を除く): 29711994

約数列:

[1, 2, 3, 6, 11, 13, 22, 26, 33, 39, 53, 66, 78, 106, 143, 159, 286, 318, 429, 467, 583, 689, 858, 934, 1166, 1378, 1401, 1749, 2067, 2802, 3498, 4134, 5137, 6071, 7579, 10274, 12142, 15158, 15411, 18213, 22737, 24751, 30822, 36426, 45474, 49502, 66781, 74253, 133562, 148506, 200343, 272261, 321763, 400686, 544522, 643526, 816783, 965289, 1633566, 1930578, 3539393, 7078786, 10618179, 21236358]

約数ペア:

[(1, 21236358), (2, 10618179), (3, 7078786), (6, 3539393), (11, 1930578), (13, 1633566), (22, 965289), (26, 816783), (33, 643526), (39, 544522), (53, 400686), (66, 321763), (78, 272261), (106, 200343), (143, 148506), (159, 133562), (286, 74253), (318, 66781), (429, 49502), (467, 45474), (583, 36426), (689, 30822), (858, 24751), (934, 22737), (1166, 18213), (1378, 15411), (1401, 15158), (1749, 12142), (2067, 10274), (2802, 7579), (3498, 6071), (4134, 5137)]