21522153

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{13613}}^1$

素因数の和:13664

約数の個数: 16

約数和(自身を含む): 31366656

約数和(自身を除く): 9844503

約数列:

[1, 3, 17, 31, 51, 93, 527, 1581, 13613, 40839, 231421, 422003, 694263, 1266009, 7174051, 21522153]

約数ペア:

[(1, 21522153), (3, 7174051), (17, 1266009), (31, 694263), (51, 422003), (93, 231421), (527, 40839), (1581, 13613)]