21973299

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{103}}^1$

素因数の和:259

約数の個数: 32

約数和(自身を含む): 32348160

約数和(自身を除く): 10374861

約数列:

[1, 3, 17, 47, 51, 89, 103, 141, 267, 309, 799, 1513, 1751, 2397, 4183, 4539, 4841, 5253, 9167, 12549, 14523, 27501, 71111, 82297, 155839, 213333, 246891, 430849, 467517, 1292547, 7324433, 21973299]

約数ペア:

[(1, 21973299), (3, 7324433), (17, 1292547), (47, 467517), (51, 430849), (89, 246891), (103, 213333), (141, 155839), (267, 82297), (309, 71111), (799, 27501), (1513, 14523), (1751, 12549), (2397, 9167), (4183, 5253), (4539, 4841)]