21912464

素因数分解:

$2^4\times 7^1\times {\mathrm{179}}^1\times {\mathrm{1093}}^1$

素因数の和:1287

約数の個数: 40

約数和(自身を含む): 48836160

約数和(自身を除く): 26923696

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 179, 358, 716, 1093, 1253, 1432, 2186, 2506, 2864, 4372, 5012, 7651, 8744, 10024, 15302, 17488, 20048, 30604, 61208, 122416, 195647, 391294, 782588, 1369529, 1565176, 2739058, 3130352, 5478116, 10956232, 21912464]

約数ペア:

[(1, 21912464), (2, 10956232), (4, 5478116), (7, 3130352), (8, 2739058), (14, 1565176), (16, 1369529), (28, 782588), (56, 391294), (112, 195647), (179, 122416), (358, 61208), (716, 30604), (1093, 20048), (1253, 17488), (1432, 15302), (2186, 10024), (2506, 8744), (2864, 7651), (4372, 5012)]