21596512

素因数分解:

$2^5\times 7^1\times {\mathrm{67}}^1\times {\mathrm{1439}}^1$

素因数の和:1523

約数の個数: 48

約数和(自身を含む): 49351680

約数和(自身を除く): 27755168

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 67, 112, 134, 224, 268, 469, 536, 938, 1072, 1439, 1876, 2144, 2878, 3752, 5756, 7504, 10073, 11512, 15008, 20146, 23024, 40292, 46048, 80584, 96413, 161168, 192826, 322336, 385652, 674891, 771304, 1349782, 1542608, 2699564, 3085216, 5399128, 10798256, 21596512]

約数ペア:

[(1, 21596512), (2, 10798256), (4, 5399128), (7, 3085216), (8, 2699564), (14, 1542608), (16, 1349782), (28, 771304), (32, 674891), (56, 385652), (67, 322336), (112, 192826), (134, 161168), (224, 96413), (268, 80584), (469, 46048), (536, 40292), (938, 23024), (1072, 20146), (1439, 15008), (1876, 11512), (2144, 10073), (2878, 7504), (3752, 5756)]