21830774

素因数分解:

$2^1\times 7^2\times {\mathrm{331}}^1\times {\mathrm{673}}^1$

素因数の和:1020

約数の個数: 24

約数和(自身を含む): 38264328

約数和(自身を除く): 16433554

約数列:

[1, 2, 7, 14, 49, 98, 331, 662, 673, 1346, 2317, 4634, 4711, 9422, 16219, 32438, 32977, 65954, 222763, 445526, 1559341, 3118682, 10915387, 21830774]

約数ペア:

[(1, 21830774), (2, 10915387), (7, 3118682), (14, 1559341), (49, 445526), (98, 222763), (331, 65954), (662, 32977), (673, 32438), (1346, 16219), (2317, 9422), (4634, 4711)]