21149586

素因数分解:

$2^1\times 3^4\times {\mathrm{130553}}^1$

素因数の和:130567

約数の個数: 20

約数和(自身を含む): 47391102

約数和(自身を除く): 26241516

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 130553, 261106, 391659, 783318, 1174977, 2349954, 3524931, 7049862, 10574793, 21149586]

約数ペア:

[(1, 21149586), (2, 10574793), (3, 7049862), (6, 3524931), (9, 2349954), (18, 1174977), (27, 783318), (54, 391659), (81, 261106), (162, 130553)]