21103698290

素因数分解:

$2^1\times 5^1\times {\mathrm{269}}^1\times {\mathrm{7845241}}^1$

素因数の和:7845517

約数の個数: 16

約数和(自身を含む): 38127876120

約数和(自身を除く): 17024177830

約数列:

[1, 2, 5, 10, 269, 538, 1345, 2690, 7845241, 15690482, 39226205, 78452410, 2110369829, 4220739658, 10551849145, 21103698290]

約数ペア:

[(1, 21103698290), (2, 10551849145), (5, 4220739658), (10, 2110369829), (269, 78452410), (538, 39226205), (1345, 15690482), (2690, 7845241)]