21146724

素因数分解:

$2^2\times 3^3\times {\mathrm{103}}^1\times {\mathrm{1901}}^1$

素因数の和:2017

約数の個数: 48

約数和(自身を含む): 55386240

約数和(自身を除く): 34239516

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 103, 108, 206, 309, 412, 618, 927, 1236, 1854, 1901, 2781, 3708, 3802, 5562, 5703, 7604, 11124, 11406, 17109, 22812, 34218, 51327, 68436, 102654, 195803, 205308, 391606, 587409, 783212, 1174818, 1762227, 2349636, 3524454, 5286681, 7048908, 10573362, 21146724]

約数ペア:

[(1, 21146724), (2, 10573362), (3, 7048908), (4, 5286681), (6, 3524454), (9, 2349636), (12, 1762227), (18, 1174818), (27, 783212), (36, 587409), (54, 391606), (103, 205308), (108, 195803), (206, 102654), (309, 68436), (412, 51327), (618, 34218), (927, 22812), (1236, 17109), (1854, 11406), (1901, 11124), (2781, 7604), (3708, 5703), (3802, 5562)]