21054120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{3733}}^1$

素因数の和:3794

約数の個数: 64

約数和(自身を含む): 64523520

約数和(自身を除く): 43469400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 47, 60, 94, 120, 141, 188, 235, 282, 376, 470, 564, 705, 940, 1128, 1410, 1880, 2820, 3733, 5640, 7466, 11199, 14932, 18665, 22398, 29864, 37330, 44796, 55995, 74660, 89592, 111990, 149320, 175451, 223980, 350902, 447960, 526353, 701804, 877255, 1052706, 1403608, 1754510, 2105412, 2631765, 3509020, 4210824, 5263530, 7018040, 10527060, 21054120]

約数ペア:

[(1, 21054120), (2, 10527060), (3, 7018040), (4, 5263530), (5, 4210824), (6, 3509020), (8, 2631765), (10, 2105412), (12, 1754510), (15, 1403608), (20, 1052706), (24, 877255), (30, 701804), (40, 526353), (47, 447960), (60, 350902), (94, 223980), (120, 175451), (141, 149320), (188, 111990), (235, 89592), (282, 74660), (376, 55995), (470, 44796), (564, 37330), (705, 29864), (940, 22398), (1128, 18665), (1410, 14932), (1880, 11199), (2820, 7466), (3733, 5640)]