21332190

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{509}}^1$

素因数の和:657

約数の個数: 64

約数和(自身を含む): 56401920

約数和(自身を除く): 35069730

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 55, 66, 110, 127, 165, 254, 330, 381, 509, 635, 762, 1018, 1270, 1397, 1527, 1905, 2545, 2794, 3054, 3810, 4191, 5090, 5599, 6985, 7635, 8382, 11198, 13970, 15270, 16797, 20955, 27995, 33594, 41910, 55990, 64643, 83985, 129286, 167970, 193929, 323215, 387858, 646430, 711073, 969645, 1422146, 1939290, 2133219, 3555365, 4266438, 7110730, 10666095, 21332190]

約数ペア:

[(1, 21332190), (2, 10666095), (3, 7110730), (5, 4266438), (6, 3555365), (10, 2133219), (11, 1939290), (15, 1422146), (22, 969645), (30, 711073), (33, 646430), (55, 387858), (66, 323215), (110, 193929), (127, 167970), (165, 129286), (254, 83985), (330, 64643), (381, 55990), (509, 41910), (635, 33594), (762, 27995), (1018, 20955), (1270, 16797), (1397, 15270), (1527, 13970), (1905, 11198), (2545, 8382), (2794, 7635), (3054, 6985), (3810, 5599), (4191, 5090)]