21798052

素因数分解:

$2^2\times {\mathrm{53}}^1\times {\mathrm{229}}^1\times {\mathrm{449}}^1$

素因数の和:735

約数の個数: 24

約数和(自身を含む): 39123000

約数和(自身を除く): 17324948

約数列:

[1, 2, 4, 53, 106, 212, 229, 449, 458, 898, 916, 1796, 12137, 23797, 24274, 47594, 48548, 95188, 102821, 205642, 411284, 5449513, 10899026, 21798052]

約数ペア:

[(1, 21798052), (2, 10899026), (4, 5449513), (53, 411284), (106, 205642), (212, 102821), (229, 95188), (449, 48548), (458, 47594), (898, 24274), (916, 23797), (1796, 12137)]