22021340

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{503}}^1$

素因数の和:722

約数の個数: 48

約数和(自身を含む): 50803200

約数和(自身を除く): 28781860

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 199, 220, 398, 503, 796, 995, 1006, 1990, 2012, 2189, 2515, 3980, 4378, 5030, 5533, 8756, 10060, 10945, 11066, 21890, 22132, 27665, 43780, 55330, 100097, 110660, 200194, 400388, 500485, 1000970, 1101067, 2001940, 2202134, 4404268, 5505335, 11010670, 22021340]

約数ペア:

[(1, 22021340), (2, 11010670), (4, 5505335), (5, 4404268), (10, 2202134), (11, 2001940), (20, 1101067), (22, 1000970), (44, 500485), (55, 400388), (110, 200194), (199, 110660), (220, 100097), (398, 55330), (503, 43780), (796, 27665), (995, 22132), (1006, 21890), (1990, 11066), (2012, 10945), (2189, 10060), (2515, 8756), (3980, 5533), (4378, 5030)]