21475705

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{1693}}^1$

素因数の和:1800

約数の個数: 16

約数和(自身を含む): 26832960

約数和(自身を除く): 5357255

約数列:

[1, 5, 43, 59, 215, 295, 1693, 2537, 8465, 12685, 72799, 99887, 363995, 499435, 4295141, 21475705]

約数ペア:

[(1, 21475705), (5, 4295141), (43, 499435), (59, 363995), (215, 99887), (295, 72799), (1693, 12685), (2537, 8465)]