2021405940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{2297}}^1\times {\mathrm{4889}}^1$

素因数の和:7201

約数の個数: 72

約数和(自身を含む): 6135522120

約数和(自身を除く): 4114116180

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 2297, 4594, 4889, 6891, 9188, 9778, 11485, 13782, 14667, 19556, 20673, 22970, 24445, 27564, 29334, 34455, 41346, 44001, 45940, 48890, 58668, 68910, 73335, 82692, 88002, 97780, 103365, 137820, 146670, 176004, 206730, 220005, 293340, 413460, 440010, 880020, 11230033, 22460066, 33690099, 44920132, 56150165, 67380198, 101070297, 112300330, 134760396, 168450495, 202140594, 224600660, 336900990, 404281188, 505351485, 673801980, 1010702970, 2021405940]

約数ペア:

[(1, 2021405940), (2, 1010702970), (3, 673801980), (4, 505351485), (5, 404281188), (6, 336900990), (9, 224600660), (10, 202140594), (12, 168450495), (15, 134760396), (18, 112300330), (20, 101070297), (30, 67380198), (36, 56150165), (45, 44920132), (60, 33690099), (90, 22460066), (180, 11230033), (2297, 880020), (4594, 440010), (4889, 413460), (6891, 293340), (9188, 220005), (9778, 206730), (11485, 176004), (13782, 146670), (14667, 137820), (19556, 103365), (20673, 97780), (22970, 88002), (24445, 82692), (27564, 73335), (29334, 68910), (34455, 58668), (41346, 48890), (44001, 45940)]