21167202490

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{349}}^1\times {\mathrm{866443}}^1$

素因数の和:866806

約数の個数: 32

約数和(自身を含む): 43668777600

約数和(自身を除く): 22501575110

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 349, 698, 1745, 2443, 3490, 4886, 12215, 24430, 866443, 1732886, 4332215, 6065101, 8664430, 12130202, 30325505, 60651010, 302388607, 604777214, 1511943035, 2116720249, 3023886070, 4233440498, 10583601245, 21167202490]

約数ペア:

[(1, 21167202490), (2, 10583601245), (5, 4233440498), (7, 3023886070), (10, 2116720249), (14, 1511943035), (35, 604777214), (70, 302388607), (349, 60651010), (698, 30325505), (1745, 12130202), (2443, 8664430), (3490, 6065101), (4886, 4332215), (12215, 1732886), (24430, 866443)]