21709894

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{349}}^1\times {\mathrm{1637}}^1$

素因数の和:2007

約数の個数: 16

約数和(自身を含む): 34398000

約数和(自身を除く): 12688106

約数列:

[1, 2, 19, 38, 349, 698, 1637, 3274, 6631, 13262, 31103, 62206, 571313, 1142626, 10854947, 21709894]

約数ペア:

[(1, 21709894), (2, 10854947), (19, 1142626), (38, 571313), (349, 62206), (698, 31103), (1637, 13262), (3274, 6631)]