21743085

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{937}}^1$

素因数の和:982

約数の個数: 64

約数和(自身を含む): 45384192

約数和(自身を除く): 23641107

約数列:

[1, 3, 5, 7, 13, 15, 17, 21, 35, 39, 51, 65, 85, 91, 105, 119, 195, 221, 255, 273, 357, 455, 595, 663, 937, 1105, 1365, 1547, 1785, 2811, 3315, 4641, 4685, 6559, 7735, 12181, 14055, 15929, 19677, 23205, 32795, 36543, 47787, 60905, 79645, 85267, 98385, 111503, 182715, 207077, 238935, 255801, 334509, 426335, 557515, 621231, 1035385, 1279005, 1449539, 1672545, 3106155, 4348617, 7247695, 21743085]

約数ペア:

[(1, 21743085), (3, 7247695), (5, 4348617), (7, 3106155), (13, 1672545), (15, 1449539), (17, 1279005), (21, 1035385), (35, 621231), (39, 557515), (51, 426335), (65, 334509), (85, 255801), (91, 238935), (105, 207077), (119, 182715), (195, 111503), (221, 98385), (255, 85267), (273, 79645), (357, 60905), (455, 47787), (595, 36543), (663, 32795), (937, 23205), (1105, 19677), (1365, 15929), (1547, 14055), (1785, 12181), (2811, 7735), (3315, 6559), (4641, 4685)]