21350173

素因数分解:

${\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{83}}^1\times {\mathrm{421}}^1$

素因数の和:564

約数の個数: 16

約数和(自身を含む): 23821056

約数和(自身を除く): 2470883

約数列:

[1, 13, 47, 83, 421, 611, 1079, 3901, 5473, 19787, 34943, 50713, 257231, 454259, 1642321, 21350173]

約数ペア:

[(1, 21350173), (13, 1642321), (47, 454259), (83, 257231), (421, 50713), (611, 34943), (1079, 19787), (3901, 5473)]