21433020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{51031}}^1$

素因数の和:51050

約数の個数: 48

約数和(自身を含む): 68587008

約数和(自身を除く): 47153988

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 51031, 102062, 153093, 204124, 255155, 306186, 357217, 510310, 612372, 714434, 765465, 1020620, 1071651, 1428868, 1530930, 1786085, 2143302, 3061860, 3572170, 4286604, 5358255, 7144340, 10716510, 21433020]

約数ペア:

[(1, 21433020), (2, 10716510), (3, 7144340), (4, 5358255), (5, 4286604), (6, 3572170), (7, 3061860), (10, 2143302), (12, 1786085), (14, 1530930), (15, 1428868), (20, 1071651), (21, 1020620), (28, 765465), (30, 714434), (35, 612372), (42, 510310), (60, 357217), (70, 306186), (84, 255155), (105, 204124), (140, 153093), (210, 102062), (420, 51031)]