21665868

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{6971}}^1$

素因数の和:7022

約数の個数: 48

約数和(自身を含む): 59345664

約数和(自身を除く): 37679796

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 37, 42, 74, 84, 111, 148, 222, 259, 444, 518, 777, 1036, 1554, 3108, 6971, 13942, 20913, 27884, 41826, 48797, 83652, 97594, 146391, 195188, 257927, 292782, 515854, 585564, 773781, 1031708, 1547562, 1805489, 3095124, 3610978, 5416467, 7221956, 10832934, 21665868]

約数ペア:

[(1, 21665868), (2, 10832934), (3, 7221956), (4, 5416467), (6, 3610978), (7, 3095124), (12, 1805489), (14, 1547562), (21, 1031708), (28, 773781), (37, 585564), (42, 515854), (74, 292782), (84, 257927), (111, 195188), (148, 146391), (222, 97594), (259, 83652), (444, 48797), (518, 41826), (777, 27884), (1036, 20913), (1554, 13942), (3108, 6971)]