21828774

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{227}}^1$

素因数の和:321

約数の個数: 64

約数和(自身を含む): 50429952

約数和(自身を除く): 28601178

約数列:

[1, 2, 3, 6, 11, 22, 31, 33, 47, 62, 66, 93, 94, 141, 186, 227, 282, 341, 454, 517, 681, 682, 1023, 1034, 1362, 1457, 1551, 2046, 2497, 2914, 3102, 4371, 4994, 7037, 7491, 8742, 10669, 14074, 14982, 16027, 21111, 21338, 32007, 32054, 42222, 48081, 64014, 77407, 96162, 117359, 154814, 232221, 234718, 330739, 352077, 464442, 661478, 704154, 992217, 1984434, 3638129, 7276258, 10914387, 21828774]

約数ペア:

[(1, 21828774), (2, 10914387), (3, 7276258), (6, 3638129), (11, 1984434), (22, 992217), (31, 704154), (33, 661478), (47, 464442), (62, 352077), (66, 330739), (93, 234718), (94, 232221), (141, 154814), (186, 117359), (227, 96162), (282, 77407), (341, 64014), (454, 48081), (517, 42222), (681, 32054), (682, 32007), (1023, 21338), (1034, 21111), (1362, 16027), (1457, 14982), (1551, 14074), (2046, 10669), (2497, 8742), (2914, 7491), (3102, 7037), (4371, 4994)]