21522909

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{233}}^1\times {\mathrm{751}}^1$

素因数の和:1028

約数の個数: 16

約数和(自身を含む): 29562624

約数和(自身を除く): 8039715

約数列:

[1, 3, 41, 123, 233, 699, 751, 2253, 9553, 28659, 30791, 92373, 174983, 524949, 7174303, 21522909]

約数ペア:

[(1, 21522909), (3, 7174303), (41, 524949), (123, 174983), (233, 92373), (699, 30791), (751, 28659), (2253, 9553)]