21790743

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{15101}}^1$

素因数の和:15154

約数の個数: 16

約数和(自身を含む): 32137056

約数和(自身を除く): 10346313

約数列:

[1, 3, 13, 37, 39, 111, 481, 1443, 15101, 45303, 196313, 558737, 588939, 1676211, 7263581, 21790743]

約数ペア:

[(1, 21790743), (3, 7263581), (13, 1676211), (37, 588939), (39, 558737), (111, 196313), (481, 45303), (1443, 15101)]