21058317

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{14533}}^1$

素因数の和:14569

約数の個数: 24

約数和(自身を含む): 36276864

約数和(自身を除く): 15218547

約数列:

[1, 3, 7, 9, 21, 23, 63, 69, 161, 207, 483, 1449, 14533, 43599, 101731, 130797, 305193, 334259, 915579, 1002777, 2339813, 3008331, 7019439, 21058317]

約数ペア:

[(1, 21058317), (3, 7019439), (7, 3008331), (9, 2339813), (21, 1002777), (23, 915579), (63, 334259), (69, 305193), (161, 130797), (207, 101731), (483, 43599), (1449, 14533)]