21719902

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{8147}}^1$

素因数の和:8223

約数の個数: 16

約数和(自身を含む): 34417152

約数和(自身を除く): 12697250

約数列:

[1, 2, 31, 43, 62, 86, 1333, 2666, 8147, 16294, 252557, 350321, 505114, 700642, 10859951, 21719902]

約数ペア:

[(1, 21719902), (2, 10859951), (31, 700642), (43, 505114), (62, 350321), (86, 252557), (1333, 16294), (2666, 8147)]