21990962

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{92399}}^1$

素因数の和:92425

約数の個数: 16

約数和(自身を含む): 39916800

約数和(自身を除く): 17925838

約数列:

[1, 2, 7, 14, 17, 34, 119, 238, 92399, 184798, 646793, 1293586, 1570783, 3141566, 10995481, 21990962]

約数ペア:

[(1, 21990962), (2, 10995481), (7, 3141566), (14, 1570783), (17, 1293586), (34, 646793), (119, 184798), (238, 92399)]