21604576

素因数分解:

$2^5\times 7^1\times {\mathrm{43}}^1\times {\mathrm{2243}}^1$

素因数の和:2303

約数の個数: 48

約数和(自身を含む): 49762944

約数和(自身を除く): 28158368

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 43, 56, 86, 112, 172, 224, 301, 344, 602, 688, 1204, 1376, 2243, 2408, 4486, 4816, 8972, 9632, 15701, 17944, 31402, 35888, 62804, 71776, 96449, 125608, 192898, 251216, 385796, 502432, 675143, 771592, 1350286, 1543184, 2700572, 3086368, 5401144, 10802288, 21604576]

約数ペア:

[(1, 21604576), (2, 10802288), (4, 5401144), (7, 3086368), (8, 2700572), (14, 1543184), (16, 1350286), (28, 771592), (32, 675143), (43, 502432), (56, 385796), (86, 251216), (112, 192898), (172, 125608), (224, 96449), (301, 71776), (344, 62804), (602, 35888), (688, 31402), (1204, 17944), (1376, 15701), (2243, 9632), (2408, 8972), (4486, 4816)]