21945935

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{6763}}^1$

素因数の和:6838

約数の個数: 16

約数和(自身を含む): 29220480

約数和(自身を除く): 7274545

約数列:

[1, 5, 11, 55, 59, 295, 649, 3245, 6763, 33815, 74393, 371965, 399017, 1995085, 4389187, 21945935]

約数ペア:

[(1, 21945935), (5, 4389187), (11, 1995085), (55, 399017), (59, 371965), (295, 74393), (649, 33815), (3245, 6763)]