21902830

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{75527}}^1$

素因数の和:75563

約数の個数: 16

約数和(自身を含む): 40785120

約数和(自身を除く): 18882290

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 75527, 151054, 377635, 755270, 2190283, 4380566, 10951415, 21902830]

約数ペア:

[(1, 21902830), (2, 10951415), (5, 4380566), (10, 2190283), (29, 755270), (58, 377635), (145, 151054), (290, 75527)]