21376515

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{45971}}^1$

素因数の和:46010

約数の個数: 16

約数和(自身を含む): 35306496

約数和(自身を除く): 13929981

約数列:

[1, 3, 5, 15, 31, 93, 155, 465, 45971, 137913, 229855, 689565, 1425101, 4275303, 7125505, 21376515]

約数ペア:

[(1, 21376515), (3, 7125505), (5, 4275303), (15, 1425101), (31, 689565), (93, 229855), (155, 137913), (465, 45971)]