21205083

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{601}}^1\times {\mathrm{619}}^1$

素因数の和:1242

約数の個数: 16

約数和(自身を含む): 29859200

約数和(自身を除く): 8654117

約数列:

[1, 3, 19, 57, 601, 619, 1803, 1857, 11419, 11761, 34257, 35283, 372019, 1116057, 7068361, 21205083]

約数ペア:

[(1, 21205083), (3, 7068361), (19, 1116057), (57, 372019), (601, 35283), (619, 34257), (1803, 11761), (1857, 11419)]