21951038

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{487}}^1\times {\mathrm{727}}^1$

素因数の和:1247

約数の個数: 16

約数和(自身を含む): 34105344

約数和(自身を除く): 12154306

約数列:

[1, 2, 31, 62, 487, 727, 974, 1454, 15097, 22537, 30194, 45074, 354049, 708098, 10975519, 21951038]

約数ペア:

[(1, 21951038), (2, 10975519), (31, 708098), (62, 354049), (487, 45074), (727, 30194), (974, 22537), (1454, 15097)]