21130116905

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{113}}^1\times {\mathrm{39659}}^1$

素因数の和:39841

約数の個数: 32

約数和(自身を含む): 27344459520

約数和(自身を除く): 6214342615

約数列:

[1, 5, 23, 41, 113, 115, 205, 565, 943, 2599, 4633, 4715, 12995, 23165, 39659, 106559, 198295, 532795, 912157, 1626019, 4481467, 4560785, 8130095, 22407335, 37398437, 103073741, 183740147, 186992185, 515368705, 918700735, 4226023381, 21130116905]

約数ペア:

[(1, 21130116905), (5, 4226023381), (23, 918700735), (41, 515368705), (113, 186992185), (115, 183740147), (205, 103073741), (565, 37398437), (943, 22407335), (2599, 8130095), (4633, 4560785), (4715, 4481467), (12995, 1626019), (23165, 912157), (39659, 532795), (106559, 198295)]