21848165

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{1693}}^1$

素因数の和:1816

約数の個数: 16

約数和(自身を含む): 27442800

約数和(自身を除く): 5594635

約数列:

[1, 5, 29, 89, 145, 445, 1693, 2581, 8465, 12905, 49097, 150677, 245485, 753385, 4369633, 21848165]

約数ペア:

[(1, 21848165), (5, 4369633), (29, 753385), (89, 245485), (145, 150677), (445, 49097), (1693, 12905), (2581, 8465)]