21826270

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{1031}}^1$

素因数の和:1140

約数の個数: 32

約数和(自身を含む): 41238720

約数和(自身を除く): 19412450

約数列:

[1, 2, 5, 10, 29, 58, 73, 145, 146, 290, 365, 730, 1031, 2062, 2117, 4234, 5155, 10310, 10585, 21170, 29899, 59798, 75263, 149495, 150526, 298990, 376315, 752630, 2182627, 4365254, 10913135, 21826270]

約数ペア:

[(1, 21826270), (2, 10913135), (5, 4365254), (10, 2182627), (29, 752630), (58, 376315), (73, 298990), (145, 150526), (146, 149495), (290, 75263), (365, 59798), (730, 29899), (1031, 21170), (2062, 10585), (2117, 10310), (4234, 5155)]