21073010

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{7001}}^1$

素因数の和:7058

約数の個数: 32

約数和(自身を含む): 44364672

約数和(自身を除く): 23291662

約数列:

[1, 2, 5, 7, 10, 14, 35, 43, 70, 86, 215, 301, 430, 602, 1505, 3010, 7001, 14002, 35005, 49007, 70010, 98014, 245035, 301043, 490070, 602086, 1505215, 2107301, 3010430, 4214602, 10536505, 21073010]

約数ペア:

[(1, 21073010), (2, 10536505), (5, 4214602), (7, 3010430), (10, 2107301), (14, 1505215), (35, 602086), (43, 490070), (70, 301043), (86, 245035), (215, 98014), (301, 70010), (430, 49007), (602, 35005), (1505, 14002), (3010, 7001)]