2021106980

素因数分解:

$2^2\times 5^1\times {\mathrm{223}}^1\times {\mathrm{461}}^1\times {\mathrm{983}}^1$

素因数の和:1676

約数の個数: 48

約数和(自身を含む): 4276952064

約数和(自身を除く): 2255845084

約数列:

[1, 2, 4, 5, 10, 20, 223, 446, 461, 892, 922, 983, 1115, 1844, 1966, 2230, 2305, 3932, 4460, 4610, 4915, 9220, 9830, 19660, 102803, 205606, 219209, 411212, 438418, 453163, 514015, 876836, 906326, 1028030, 1096045, 1812652, 2056060, 2192090, 2265815, 4384180, 4531630, 9063260, 101055349, 202110698, 404221396, 505276745, 1010553490, 2021106980]

約数ペア:

[(1, 2021106980), (2, 1010553490), (4, 505276745), (5, 404221396), (10, 202110698), (20, 101055349), (223, 9063260), (446, 4531630), (461, 4384180), (892, 2265815), (922, 2192090), (983, 2056060), (1115, 1812652), (1844, 1096045), (1966, 1028030), (2230, 906326), (2305, 876836), (3932, 514015), (4460, 453163), (4610, 438418), (4915, 411212), (9220, 219209), (9830, 205606), (19660, 102803)]