21883204

素因数分解:

$2^2\times 7^2\times {\mathrm{311}}^1\times {\mathrm{359}}^1$

素因数の和:688

約数の個数: 36

約数和(自身を含む): 44815680

約数和(自身を除く): 22932476

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 311, 359, 622, 718, 1244, 1436, 2177, 2513, 4354, 5026, 8708, 10052, 15239, 17591, 30478, 35182, 60956, 70364, 111649, 223298, 446596, 781543, 1563086, 3126172, 5470801, 10941602, 21883204]

約数ペア:

[(1, 21883204), (2, 10941602), (4, 5470801), (7, 3126172), (14, 1563086), (28, 781543), (49, 446596), (98, 223298), (196, 111649), (311, 70364), (359, 60956), (622, 35182), (718, 30478), (1244, 17591), (1436, 15239), (2177, 10052), (2513, 8708), (4354, 5026)]