21308538

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{186917}}^1$

素因数の和:186941

約数の個数: 16

約数和(自身を含む): 44860320

約数和(自身を除く): 23551782

約数列:

[1, 2, 3, 6, 19, 38, 57, 114, 186917, 373834, 560751, 1121502, 3551423, 7102846, 10654269, 21308538]

約数ペア:

[(1, 21308538), (2, 10654269), (3, 7102846), (6, 3551423), (19, 1121502), (38, 560751), (57, 373834), (114, 186917)]