21190498

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{65809}}^1$

素因数の和:65841

約数の個数: 16

約数和(自身を含む): 37906560

約数和(自身を除く): 16716062

約数列:

[1, 2, 7, 14, 23, 46, 161, 322, 65809, 131618, 460663, 921326, 1513607, 3027214, 10595249, 21190498]

約数ペア:

[(1, 21190498), (2, 10595249), (7, 3027214), (14, 1513607), (23, 921326), (46, 460663), (161, 131618), (322, 65809)]