21086744

素因数分解:

$2^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{10177}}^1$

素因数の和:10227

約数の個数: 32

約数和(自身を含む): 46411680

約数和(自身を除く): 25324936

約数列:

[1, 2, 4, 7, 8, 14, 28, 37, 56, 74, 148, 259, 296, 518, 1036, 2072, 10177, 20354, 40708, 71239, 81416, 142478, 284956, 376549, 569912, 753098, 1506196, 2635843, 3012392, 5271686, 10543372, 21086744]

約数ペア:

[(1, 21086744), (2, 10543372), (4, 5271686), (7, 3012392), (8, 2635843), (14, 1506196), (28, 753098), (37, 569912), (56, 376549), (74, 284956), (148, 142478), (259, 81416), (296, 71239), (518, 40708), (1036, 20354), (2072, 10177)]