21756432

素因数分解:

$2^4\times 3^1\times {\mathrm{157}}^1\times {\mathrm{2887}}^1$

素因数の和:3055

約数の個数: 40

約数和(自身を含む): 56581696

約数和(自身を除く): 34825264

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 157, 314, 471, 628, 942, 1256, 1884, 2512, 2887, 3768, 5774, 7536, 8661, 11548, 17322, 23096, 34644, 46192, 69288, 138576, 453259, 906518, 1359777, 1813036, 2719554, 3626072, 5439108, 7252144, 10878216, 21756432]

約数ペア:

[(1, 21756432), (2, 10878216), (3, 7252144), (4, 5439108), (6, 3626072), (8, 2719554), (12, 1813036), (16, 1359777), (24, 906518), (48, 453259), (157, 138576), (314, 69288), (471, 46192), (628, 34644), (942, 23096), (1256, 17322), (1884, 11548), (2512, 8661), (2887, 7536), (3768, 5774)]