21970096

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{107}}^1\times {\mathrm{313}}^1$

素因数の和:469

約数の個数: 40

約数和(自身を含む): 44153424

約数和(自身を除く): 22183328

約数列:

[1, 2, 4, 8, 16, 41, 82, 107, 164, 214, 313, 328, 428, 626, 656, 856, 1252, 1712, 2504, 4387, 5008, 8774, 12833, 17548, 25666, 33491, 35096, 51332, 66982, 70192, 102664, 133964, 205328, 267928, 535856, 1373131, 2746262, 5492524, 10985048, 21970096]

約数ペア:

[(1, 21970096), (2, 10985048), (4, 5492524), (8, 2746262), (16, 1373131), (41, 535856), (82, 267928), (107, 205328), (164, 133964), (214, 102664), (313, 70192), (328, 66982), (428, 51332), (626, 35096), (656, 33491), (856, 25666), (1252, 17548), (1712, 12833), (2504, 8774), (4387, 5008)]