21006738

素因数分解:

$2^1\times 3^2\times {\mathrm{211}}^1\times {\mathrm{5531}}^1$

素因数の和:5750

約数の個数: 24

約数和(自身を含む): 45738576

約数和(自身を除く): 24731838

約数列:

[1, 2, 3, 6, 9, 18, 211, 422, 633, 1266, 1899, 3798, 5531, 11062, 16593, 33186, 49779, 99558, 1167041, 2334082, 3501123, 7002246, 10503369, 21006738]

約数ペア:

[(1, 21006738), (2, 10503369), (3, 7002246), (6, 3501123), (9, 2334082), (18, 1167041), (211, 99558), (422, 49779), (633, 33186), (1266, 16593), (1899, 11062), (3798, 5531)]