21195692

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{24419}}^1$

素因数の和:24461

約数の個数: 24

約数和(自身を含む): 43760640

約数和(自身を除く): 22564948

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 434, 868, 24419, 48838, 97676, 170933, 341866, 683732, 756989, 1513978, 3027956, 5298923, 10597846, 21195692]

約数ペア:

[(1, 21195692), (2, 10597846), (4, 5298923), (7, 3027956), (14, 1513978), (28, 756989), (31, 683732), (62, 341866), (124, 170933), (217, 97676), (434, 48838), (868, 24419)]