21714010

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{211}}^1\times {\mathrm{251}}^1$

素因数の和:510

約数の個数: 32

約数和(自身を含む): 40388544

約数和(自身を除く): 18674534

約数列:

[1, 2, 5, 10, 41, 82, 205, 211, 251, 410, 422, 502, 1055, 1255, 2110, 2510, 8651, 10291, 17302, 20582, 43255, 51455, 52961, 86510, 102910, 105922, 264805, 529610, 2171401, 4342802, 10857005, 21714010]

約数ペア:

[(1, 21714010), (2, 10857005), (5, 4342802), (10, 2171401), (41, 529610), (82, 264805), (205, 105922), (211, 102910), (251, 86510), (410, 52961), (422, 51455), (502, 43255), (1055, 20582), (1255, 17302), (2110, 10291), (2510, 8651)]