21706342

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{67411}}^1$

素因数の和:67443

約数の個数: 16

約数和(自身を含む): 38829312

約数和(自身を除く): 17122970

約数列:

[1, 2, 7, 14, 23, 46, 161, 322, 67411, 134822, 471877, 943754, 1550453, 3100906, 10853171, 21706342]

約数ペア:

[(1, 21706342), (2, 10853171), (7, 3100906), (14, 1550453), (23, 943754), (46, 471877), (161, 134822), (322, 67411)]