21014912

素因数分解:

$2^7\times {\mathrm{19}}^1\times {\mathrm{8641}}^1$

素因数の和:8674

約数の個数: 32

約数和(自身を含む): 44074200

約数和(自身を除く): 23059288

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 128, 152, 304, 608, 1216, 2432, 8641, 17282, 34564, 69128, 138256, 164179, 276512, 328358, 553024, 656716, 1106048, 1313432, 2626864, 5253728, 10507456, 21014912]

約数ペア:

[(1, 21014912), (2, 10507456), (4, 5253728), (8, 2626864), (16, 1313432), (19, 1106048), (32, 656716), (38, 553024), (64, 328358), (76, 276512), (128, 164179), (152, 138256), (304, 69128), (608, 34564), (1216, 17282), (2432, 8641)]