21843490

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{35809}}^1$

素因数の和:35877

約数の個数: 16

約数和(自身を含む): 39963960

約数和(自身を除く): 18120470

約数列:

[1, 2, 5, 10, 61, 122, 305, 610, 35809, 71618, 179045, 358090, 2184349, 4368698, 10921745, 21843490]

約数ペア:

[(1, 21843490), (2, 10921745), (5, 4368698), (10, 2184349), (61, 358090), (122, 179045), (305, 71618), (610, 35809)]