21498951

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{5281}}^1$

素因数の和:5366

約数の個数: 16

約数和(自身を含む): 30424320

約数和(自身を除く): 8925369

約数列:

[1, 3, 23, 59, 69, 177, 1357, 4071, 5281, 15843, 121463, 311579, 364389, 934737, 7166317, 21498951]

約数ペア:

[(1, 21498951), (3, 7166317), (23, 934737), (59, 364389), (69, 311579), (177, 121463), (1357, 15843), (4071, 5281)]