21553291256

素因数分解:

$2^3\times 7^1\times {\mathrm{401}}^1\times {\mathrm{959801}}^1$

素因数の和:960215

約数の個数: 32

約数和(自身を含む): 46300848480

約数和(自身を除く): 24747557224

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 401, 802, 1604, 2807, 3208, 5614, 11228, 22456, 959801, 1919602, 3839204, 6718607, 7678408, 13437214, 26874428, 53748856, 384880201, 769760402, 1539520804, 2694161407, 3079041608, 5388322814, 10776645628, 21553291256]

約数ペア:

[(1, 21553291256), (2, 10776645628), (4, 5388322814), (7, 3079041608), (8, 2694161407), (14, 1539520804), (28, 769760402), (56, 384880201), (401, 53748856), (802, 26874428), (1604, 13437214), (2807, 7678408), (3208, 6718607), (5614, 3839204), (11228, 1919602), (22456, 959801)]