21095514873

素因数分解:

$3^2\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{487}}^1\times {\mathrm{1319}}^1$

素因数の和:1942

約数の個数: 48

約数和(自身を含む): 31654022400

約数和(自身を除く): 10558507527

約数列:

[1, 3, 9, 41, 89, 123, 267, 369, 487, 801, 1319, 1461, 3649, 3957, 4383, 10947, 11871, 19967, 32841, 43343, 54079, 59901, 117391, 130029, 162237, 179703, 352173, 390087, 486711, 642353, 1056519, 1777063, 1927059, 4813031, 5331189, 5781177, 14439093, 15993567, 26336473, 43317279, 57169417, 79009419, 171508251, 237028257, 514524753, 2343946097, 7031838291, 21095514873]

約数ペア:

[(1, 21095514873), (3, 7031838291), (9, 2343946097), (41, 514524753), (89, 237028257), (123, 171508251), (267, 79009419), (369, 57169417), (487, 43317279), (801, 26336473), (1319, 15993567), (1461, 14439093), (3649, 5781177), (3957, 5331189), (4383, 4813031), (10947, 1927059), (11871, 1777063), (19967, 1056519), (32841, 642353), (43343, 486711), (54079, 390087), (59901, 352173), (117391, 179703), (130029, 162237)]