21032690

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{2659}}^1$

素因数の和:2786

約数の個数: 32

約数和(自身を含む): 43666560

約数和(自身を除く): 22633870

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 113, 226, 565, 791, 1130, 1582, 2659, 3955, 5318, 7910, 13295, 18613, 26590, 37226, 93065, 186130, 300467, 600934, 1502335, 2103269, 3004670, 4206538, 10516345, 21032690]

約数ペア:

[(1, 21032690), (2, 10516345), (5, 4206538), (7, 3004670), (10, 2103269), (14, 1502335), (35, 600934), (70, 300467), (113, 186130), (226, 93065), (565, 37226), (791, 26590), (1130, 18613), (1582, 13295), (2659, 7910), (3955, 5318)]