21419932

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{269}}^1\times {\mathrm{1171}}^1$

素因数の和:1461

約数の個数: 24

約数和(自身を含む): 39871440

約数和(自身を除く): 18451508

約数列:

[1, 2, 4, 17, 34, 68, 269, 538, 1076, 1171, 2342, 4573, 4684, 9146, 18292, 19907, 39814, 79628, 314999, 629998, 1259996, 5354983, 10709966, 21419932]

約数ペア:

[(1, 21419932), (2, 10709966), (4, 5354983), (17, 1259996), (34, 629998), (68, 314999), (269, 79628), (538, 39814), (1076, 19907), (1171, 18292), (2342, 9146), (4573, 4684)]