21398814

素因数分解:

$2^1\times 3^2\times {\mathrm{151}}^1\times {\mathrm{7873}}^1$

素因数の和:8032

約数の個数: 24

約数和(自身を含む): 46677072

約数和(自身を除く): 25278258

約数列:

[1, 2, 3, 6, 9, 18, 151, 302, 453, 906, 1359, 2718, 7873, 15746, 23619, 47238, 70857, 141714, 1188823, 2377646, 3566469, 7132938, 10699407, 21398814]

約数ペア:

[(1, 21398814), (2, 10699407), (3, 7132938), (6, 3566469), (9, 2377646), (18, 1188823), (151, 141714), (302, 70857), (453, 47238), (906, 23619), (1359, 15746), (2718, 7873)]