21835737

素因数分解:

$3^6\times 7^1\times {\mathrm{11}}^1\times {\mathrm{389}}^1$

素因数の和:425

約数の個数: 56

約数和(自身を含む): 40921920

約数和(自身を除く): 19086183

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 63, 77, 81, 99, 189, 231, 243, 297, 389, 567, 693, 729, 891, 1167, 1701, 2079, 2673, 2723, 3501, 4279, 5103, 6237, 8019, 8169, 10503, 12837, 18711, 24507, 29953, 31509, 38511, 56133, 73521, 89859, 94527, 115533, 220563, 269577, 283581, 346599, 661689, 808731, 1039797, 1985067, 2426193, 3119391, 7278579, 21835737]

約数ペア:

[(1, 21835737), (3, 7278579), (7, 3119391), (9, 2426193), (11, 1985067), (21, 1039797), (27, 808731), (33, 661689), (63, 346599), (77, 283581), (81, 269577), (99, 220563), (189, 115533), (231, 94527), (243, 89859), (297, 73521), (389, 56133), (567, 38511), (693, 31509), (729, 29953), (891, 24507), (1167, 18711), (1701, 12837), (2079, 10503), (2673, 8169), (2723, 8019), (3501, 6237), (4279, 5103)]