21913130

素因数分解:

$2^1\times 5^1\times {\mathrm{313}}^1\times {\mathrm{7001}}^1$

素因数の和:7321

約数の個数: 16

約数和(自身を含む): 39575304

約数和(自身を除く): 17662174

約数列:

[1, 2, 5, 10, 313, 626, 1565, 3130, 7001, 14002, 35005, 70010, 2191313, 4382626, 10956565, 21913130]

約数ペア:

[(1, 21913130), (2, 10956565), (5, 4382626), (10, 2191313), (313, 70010), (626, 35005), (1565, 14002), (3130, 7001)]