21777067

素因数分解:

${\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{173}}^1\times {\mathrm{421}}^1$

素因数の和:630

約数の個数: 16

約数和(自身を含む): 24671808

約数和(自身を除く): 2894741

約数列:

[1, 13, 23, 173, 299, 421, 2249, 3979, 5473, 9683, 51727, 72833, 125879, 946829, 1675159, 21777067]

約数ペア:

[(1, 21777067), (13, 1675159), (23, 946829), (173, 125879), (299, 72833), (421, 51727), (2249, 9683), (3979, 5473)]