21000549947

素因数分解:

${\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{127}}^1\times {\mathrm{14947}}^1$

素因数の和:15147

約数の個数: 32

約数和(自身を含む): 24429576192

約数和(自身を除く): 3429026245

約数列:

[1, 13, 23, 37, 127, 299, 481, 851, 1651, 2921, 4699, 11063, 14947, 37973, 61087, 108077, 194311, 343781, 553039, 1405001, 1898269, 4469153, 7189507, 12719897, 24677497, 43660187, 70235953, 165358661, 567582431, 913067389, 1615426919, 21000549947]

約数ペア:

[(1, 21000549947), (13, 1615426919), (23, 913067389), (37, 567582431), (127, 165358661), (299, 70235953), (481, 43660187), (851, 24677497), (1651, 12719897), (2921, 7189507), (4699, 4469153), (11063, 1898269), (14947, 1405001), (37973, 553039), (61087, 343781), (108077, 194311)]