21363706

素因数分解:

$2^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{409}}^1$

素因数の和:479

約数の個数: 48

約数和(自身を含む): 41224680

約数和(自身を除く): 19860974

約数列:

[1, 2, 7, 13, 14, 26, 41, 49, 82, 91, 98, 182, 287, 409, 533, 574, 637, 818, 1066, 1274, 2009, 2863, 3731, 4018, 5317, 5726, 7462, 10634, 16769, 20041, 26117, 33538, 37219, 40082, 52234, 74438, 117383, 217997, 234766, 260533, 435994, 521066, 821681, 1525979, 1643362, 3051958, 10681853, 21363706]

約数ペア:

[(1, 21363706), (2, 10681853), (7, 3051958), (13, 1643362), (14, 1525979), (26, 821681), (41, 521066), (49, 435994), (82, 260533), (91, 234766), (98, 217997), (182, 117383), (287, 74438), (409, 52234), (533, 40082), (574, 37219), (637, 33538), (818, 26117), (1066, 20041), (1274, 16769), (2009, 10634), (2863, 7462), (3731, 5726), (4018, 5317)]