21601611

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{2393}}^1$

素因数の和:2475

約数の個数: 24

約数和(自身を含む): 33611760

約数和(自身を除く): 12010149

約数列:

[1, 3, 9, 17, 51, 59, 153, 177, 531, 1003, 2393, 3009, 7179, 9027, 21537, 40681, 122043, 141187, 366129, 423561, 1270683, 2400179, 7200537, 21601611]

約数ペア:

[(1, 21601611), (3, 7200537), (9, 2400179), (17, 1270683), (51, 423561), (59, 366129), (153, 141187), (177, 122043), (531, 40681), (1003, 21537), (2393, 9027), (3009, 7179)]