21792780

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{40357}}^1$

素因数の和:40375

約数の個数: 48

約数和(自身を含む): 67801440

約数和(自身を除く): 46008660

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 40357, 80714, 121071, 161428, 201785, 242142, 363213, 403570, 484284, 605355, 726426, 807140, 1089639, 1210710, 1452852, 1816065, 2179278, 2421420, 3632130, 4358556, 5448195, 7264260, 10896390, 21792780]

約数ペア:

[(1, 21792780), (2, 10896390), (3, 7264260), (4, 5448195), (5, 4358556), (6, 3632130), (9, 2421420), (10, 2179278), (12, 1816065), (15, 1452852), (18, 1210710), (20, 1089639), (27, 807140), (30, 726426), (36, 605355), (45, 484284), (54, 403570), (60, 363213), (90, 242142), (108, 201785), (135, 161428), (180, 121071), (270, 80714), (540, 40357)]