21310558

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{8741}}^1$

素因数の和:8819

約数の個数: 16

約数和(自身を含む): 33988896

約数和(自身を除く): 12678338

約数列:

[1, 2, 23, 46, 53, 106, 1219, 2438, 8741, 17482, 201043, 402086, 463273, 926546, 10655279, 21310558]

約数ペア:

[(1, 21310558), (2, 10655279), (23, 926546), (46, 463273), (53, 402086), (106, 201043), (1219, 17482), (2438, 8741)]