21936201

素因数分解:

$3^1\times 7^1\times {\mathrm{617}}^1\times {\mathrm{1693}}^1$

素因数の和:2320

約数の個数: 16

約数和(自身を含む): 33500544

約数和(自身を除く): 11564343

約数列:

[1, 3, 7, 21, 617, 1693, 1851, 4319, 5079, 11851, 12957, 35553, 1044581, 3133743, 7312067, 21936201]

約数ペア:

[(1, 21936201), (3, 7312067), (7, 3133743), (21, 1044581), (617, 35553), (1693, 12957), (1851, 11851), (4319, 5079)]