21569412

素因数分解:

$2^2\times 3^1\times {\mathrm{131}}^1\times {\mathrm{13721}}^1$

素因数の和:13859

約数の個数: 24

約数和(自身を含む): 50716512

約数和(自身を除く): 29147100

約数列:

[1, 2, 3, 4, 6, 12, 131, 262, 393, 524, 786, 1572, 13721, 27442, 41163, 54884, 82326, 164652, 1797451, 3594902, 5392353, 7189804, 10784706, 21569412]

約数ペア:

[(1, 21569412), (2, 10784706), (3, 7189804), (4, 5392353), (6, 3594902), (12, 1797451), (131, 164652), (262, 82326), (393, 54884), (524, 41163), (786, 27442), (1572, 13721)]