21082096

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{9907}}^1$

素因数の和:9941

約数の個数: 40

約数和(自身を含む): 49143680

約数和(自身を除く): 28061584

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 56, 76, 112, 133, 152, 266, 304, 532, 1064, 2128, 9907, 19814, 39628, 69349, 79256, 138698, 158512, 188233, 277396, 376466, 554792, 752932, 1109584, 1317631, 1505864, 2635262, 3011728, 5270524, 10541048, 21082096]

約数ペア:

[(1, 21082096), (2, 10541048), (4, 5270524), (7, 3011728), (8, 2635262), (14, 1505864), (16, 1317631), (19, 1109584), (28, 752932), (38, 554792), (56, 376466), (76, 277396), (112, 188233), (133, 158512), (152, 138698), (266, 79256), (304, 69349), (532, 39628), (1064, 19814), (2128, 9907)]