21550812

素因数分解:

$2^2\times 3^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{499}}^1$

素因数の和:626

約数の個数: 48

約数和(自身を含む): 52080000

約数和(自身を除く): 30529188

約数列:

[1, 2, 3, 4, 6, 12, 59, 61, 118, 122, 177, 183, 236, 244, 354, 366, 499, 708, 732, 998, 1497, 1996, 2994, 3599, 5988, 7198, 10797, 14396, 21594, 29441, 30439, 43188, 58882, 60878, 88323, 91317, 117764, 121756, 176646, 182634, 353292, 365268, 1795901, 3591802, 5387703, 7183604, 10775406, 21550812]

約数ペア:

[(1, 21550812), (2, 10775406), (3, 7183604), (4, 5387703), (6, 3591802), (12, 1795901), (59, 365268), (61, 353292), (118, 182634), (122, 176646), (177, 121756), (183, 117764), (236, 91317), (244, 88323), (354, 60878), (366, 58882), (499, 43188), (708, 30439), (732, 29441), (998, 21594), (1497, 14396), (1996, 10797), (2994, 7198), (3599, 5988)]