21205531878

素因数分解:

$2^1\times 3^1\times {\mathrm{17467}}^1\times {\mathrm{202339}}^1$

素因数の和:219811

約数の個数: 16

約数和(自身を含む): 42413701440

約数和(自身を除く): 21208169562

約数列:

[1, 2, 3, 6, 17467, 34934, 52401, 104802, 202339, 404678, 607017, 1214034, 3534255313, 7068510626, 10602765939, 21205531878]

約数ペア:

[(1, 21205531878), (2, 10602765939), (3, 7068510626), (6, 3534255313), (17467, 1214034), (34934, 607017), (52401, 404678), (104802, 202339)]