21721342

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{601}}^1\times {\mathrm{1063}}^1$

素因数の和:1683

約数の個数: 16

約数和(自身を含む): 34588512

約数和(自身を除く): 12867170

約数列:

[1, 2, 17, 34, 601, 1063, 1202, 2126, 10217, 18071, 20434, 36142, 638863, 1277726, 10860671, 21721342]

約数ペア:

[(1, 21721342), (2, 10860671), (17, 1277726), (34, 638863), (601, 36142), (1063, 20434), (1202, 18071), (2126, 10217)]