21213726

素因数分解:

$2^1\times 3^1\times {\mathrm{61}}^1\times {\mathrm{149}}^1\times {\mathrm{389}}^1$

素因数の和:604

約数の個数: 32

約数和(自身を含む): 43524000

約数和(自身を除く): 22310274

約数列:

[1, 2, 3, 6, 61, 122, 149, 183, 298, 366, 389, 447, 778, 894, 1167, 2334, 9089, 18178, 23729, 27267, 47458, 54534, 57961, 71187, 115922, 142374, 173883, 347766, 3535621, 7071242, 10606863, 21213726]

約数ペア:

[(1, 21213726), (2, 10606863), (3, 7071242), (6, 3535621), (61, 347766), (122, 173883), (149, 142374), (183, 115922), (298, 71187), (366, 57961), (389, 54534), (447, 47458), (778, 27267), (894, 23729), (1167, 18178), (2334, 9089)]