21487074

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{431}}^1\times {\mathrm{1187}}^1$

素因数の和:1630

約数の個数: 32

約数和(自身を含む): 49268736

約数和(自身を除く): 27781662

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 431, 862, 1187, 1293, 2374, 2586, 3017, 3561, 6034, 7122, 8309, 9051, 16618, 18102, 24927, 49854, 511597, 1023194, 1534791, 3069582, 3581179, 7162358, 10743537, 21487074]

約数ペア:

[(1, 21487074), (2, 10743537), (3, 7162358), (6, 3581179), (7, 3069582), (14, 1534791), (21, 1023194), (42, 511597), (431, 49854), (862, 24927), (1187, 18102), (1293, 16618), (2374, 9051), (2586, 8309), (3017, 7122), (3561, 6034)]