21717060

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{15737}}^1$

素因数の和:15772

約数の個数: 48

約数和(自身を含む): 63455616

約数和(自身を除く): 41738556

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 60, 69, 92, 115, 138, 230, 276, 345, 460, 690, 1380, 15737, 31474, 47211, 62948, 78685, 94422, 157370, 188844, 236055, 314740, 361951, 472110, 723902, 944220, 1085853, 1447804, 1809755, 2171706, 3619510, 4343412, 5429265, 7239020, 10858530, 21717060]

約数ペア:

[(1, 21717060), (2, 10858530), (3, 7239020), (4, 5429265), (5, 4343412), (6, 3619510), (10, 2171706), (12, 1809755), (15, 1447804), (20, 1085853), (23, 944220), (30, 723902), (46, 472110), (60, 361951), (69, 314740), (92, 236055), (115, 188844), (138, 157370), (230, 94422), (276, 78685), (345, 62948), (460, 47211), (690, 31474), (1380, 15737)]