21935725

素因数分解:

$5^2\times 7^1\times {\mathrm{163}}^1\times {\mathrm{769}}^1$

素因数の和:949

約数の個数: 24

約数和(自身を含む): 31317440

約数和(自身を除く): 9381715

約数列:

[1, 5, 7, 25, 35, 163, 175, 769, 815, 1141, 3845, 4075, 5383, 5705, 19225, 26915, 28525, 125347, 134575, 626735, 877429, 3133675, 4387145, 21935725]

約数ペア:

[(1, 21935725), (5, 4387145), (7, 3133675), (25, 877429), (35, 626735), (163, 134575), (175, 125347), (769, 28525), (815, 26915), (1141, 19225), (3845, 5705), (4075, 5383)]