21163335

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{61343}}^1$

素因数の和:61374

約数の個数: 16

約数和(自身を含む): 35334144

約数和(自身を除く): 14170809

約数列:

[1, 3, 5, 15, 23, 69, 115, 345, 61343, 184029, 306715, 920145, 1410889, 4232667, 7054445, 21163335]

約数ペア:

[(1, 21163335), (3, 7054445), (5, 4232667), (15, 1410889), (23, 920145), (69, 306715), (115, 184029), (345, 61343)]