21928680

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{60913}}^1$

素因数の和:60930

約数の個数: 48

約数和(自身を含む): 71269380

約数和(自身を除く): 49340700

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 60913, 121826, 182739, 243652, 304565, 365478, 487304, 548217, 609130, 730956, 913695, 1096434, 1218260, 1461912, 1827390, 2192868, 2436520, 2741085, 3654780, 4385736, 5482170, 7309560, 10964340, 21928680]

約数ペア:

[(1, 21928680), (2, 10964340), (3, 7309560), (4, 5482170), (5, 4385736), (6, 3654780), (8, 2741085), (9, 2436520), (10, 2192868), (12, 1827390), (15, 1461912), (18, 1218260), (20, 1096434), (24, 913695), (30, 730956), (36, 609130), (40, 548217), (45, 487304), (60, 365478), (72, 304565), (90, 243652), (120, 182739), (180, 121826), (360, 60913)]