21955822

素因数分解:

$2^1\times 7^2\times {\mathrm{157}}^1\times {\mathrm{1427}}^1$

素因数の和:1600

約数の個数: 24

約数和(自身を含む): 38581704

約数和(自身を除く): 16625882

約数列:

[1, 2, 7, 14, 49, 98, 157, 314, 1099, 1427, 2198, 2854, 7693, 9989, 15386, 19978, 69923, 139846, 224039, 448078, 1568273, 3136546, 10977911, 21955822]

約数ペア:

[(1, 21955822), (2, 10977911), (7, 3136546), (14, 1568273), (49, 448078), (98, 224039), (157, 139846), (314, 69923), (1099, 19978), (1427, 15386), (2198, 9989), (2854, 7693)]