21418996

素因数分解:

$2^2\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{1423}}^1$

素因数の和:1551

約数の個数: 24

約数和(自身を含む): 38755584

約数和(自身を除く): 17336588

約数列:

[1, 2, 4, 53, 71, 106, 142, 212, 284, 1423, 2846, 3763, 5692, 7526, 15052, 75419, 101033, 150838, 202066, 301676, 404132, 5354749, 10709498, 21418996]

約数ペア:

[(1, 21418996), (2, 10709498), (4, 5354749), (53, 404132), (71, 301676), (106, 202066), (142, 150838), (212, 101033), (284, 75419), (1423, 15052), (2846, 7526), (3763, 5692)]