21303978

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{186877}}^1$

素因数の和:186901

約数の個数: 16

約数和(自身を含む): 44850720

約数和(自身を除く): 23546742

約数列:

[1, 2, 3, 6, 19, 38, 57, 114, 186877, 373754, 560631, 1121262, 3550663, 7101326, 10651989, 21303978]

約数ペア:

[(1, 21303978), (2, 10651989), (3, 7101326), (6, 3550663), (19, 1121262), (38, 560631), (57, 373754), (114, 186877)]