21280474

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{7841}}^1$

素因数の和:7925

約数の個数: 16

約数和(自身を含む): 33877440

約数和(自身を除く): 12596966

約数列:

[1, 2, 23, 46, 59, 118, 1357, 2714, 7841, 15682, 180343, 360686, 462619, 925238, 10640237, 21280474]

約数ペア:

[(1, 21280474), (2, 10640237), (23, 925238), (46, 462619), (59, 360686), (118, 180343), (1357, 15682), (2714, 7841)]