21370970

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{73693}}^1$

素因数の和:73729

約数の個数: 16

約数和(自身を含む): 39794760

約数和(自身を除く): 18423790

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 73693, 147386, 368465, 736930, 2137097, 4274194, 10685485, 21370970]

約数ペア:

[(1, 21370970), (2, 10685485), (5, 4274194), (10, 2137097), (29, 736930), (58, 368465), (145, 147386), (290, 73693)]