21429480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{4153}}^1$

素因数の和:4210

約数の個数: 64

約数和(自身を含む): 65799360

約数和(自身を除く): 44369880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 43, 60, 86, 120, 129, 172, 215, 258, 344, 430, 516, 645, 860, 1032, 1290, 1720, 2580, 4153, 5160, 8306, 12459, 16612, 20765, 24918, 33224, 41530, 49836, 62295, 83060, 99672, 124590, 166120, 178579, 249180, 357158, 498360, 535737, 714316, 892895, 1071474, 1428632, 1785790, 2142948, 2678685, 3571580, 4285896, 5357370, 7143160, 10714740, 21429480]

約数ペア:

[(1, 21429480), (2, 10714740), (3, 7143160), (4, 5357370), (5, 4285896), (6, 3571580), (8, 2678685), (10, 2142948), (12, 1785790), (15, 1428632), (20, 1071474), (24, 892895), (30, 714316), (40, 535737), (43, 498360), (60, 357158), (86, 249180), (120, 178579), (129, 166120), (172, 124590), (215, 99672), (258, 83060), (344, 62295), (430, 49836), (516, 41530), (645, 33224), (860, 24918), (1032, 20765), (1290, 16612), (1720, 12459), (2580, 8306), (4153, 5160)]