21770292625

素因数分解:

$5^3\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{213173}}^1$

素因数の和:213250

約数の個数: 32

約数和(自身を含む): 29264526720

約数和(自身を除く): 7494234095

約数列:

[1, 5, 19, 25, 43, 95, 125, 215, 475, 817, 1075, 2375, 4085, 5375, 20425, 102125, 213173, 1065865, 4050287, 5329325, 9166439, 20251435, 26646625, 45832195, 101257175, 174162341, 229160975, 506285875, 870811705, 1145804875, 4354058525, 21770292625]

約数ペア:

[(1, 21770292625), (5, 4354058525), (19, 1145804875), (25, 870811705), (43, 506285875), (95, 229160975), (125, 174162341), (215, 101257175), (475, 45832195), (817, 26646625), (1075, 20251435), (2375, 9166439), (4085, 5329325), (5375, 4050287), (20425, 1065865), (102125, 213173)]