21511834

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{7109}}^1$

素因数の和:7217

約数の個数: 16

約数和(自身を含む): 34554600

約数和(自身を除く): 13042766

約数列:

[1, 2, 17, 34, 89, 178, 1513, 3026, 7109, 14218, 120853, 241706, 632701, 1265402, 10755917, 21511834]

約数ペア:

[(1, 21511834), (2, 10755917), (17, 1265402), (34, 632701), (89, 241706), (178, 120853), (1513, 14218), (3026, 7109)]