21894350

素因数分解:

$2^1\times 5^2\times {\mathrm{313}}^1\times {\mathrm{1399}}^1$

素因数の和:1724

約数の個数: 24

約数和(自身を含む): 40882800

約数和(自身を除く): 18988450

約数列:

[1, 2, 5, 10, 25, 50, 313, 626, 1399, 1565, 2798, 3130, 6995, 7825, 13990, 15650, 34975, 69950, 437887, 875774, 2189435, 4378870, 10947175, 21894350]

約数ペア:

[(1, 21894350), (2, 10947175), (5, 4378870), (10, 2189435), (25, 875774), (50, 437887), (313, 69950), (626, 34975), (1399, 15650), (1565, 13990), (2798, 7825), (3130, 6995)]