21818605

素因数分解:

$5^1\times {\mathrm{23}}^2\times {\mathrm{73}}^1\times {\mathrm{113}}^1$

素因数の和:237

約数の個数: 24

約数和(自身を含む): 27990648

約数和(自身を除く): 6172043

約数列:

[1, 5, 23, 73, 113, 115, 365, 529, 565, 1679, 2599, 2645, 8249, 8395, 12995, 38617, 41245, 59777, 189727, 193085, 298885, 948635, 4363721, 21818605]

約数ペア:

[(1, 21818605), (5, 4363721), (23, 948635), (73, 298885), (113, 193085), (115, 189727), (365, 59777), (529, 41245), (565, 38617), (1679, 12995), (2599, 8395), (2645, 8249)]