21801626

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{7451}}^1$

素因数の和:7490

約数の個数: 32

約数和(自身を含む): 42923520

約数和(自身を除く): 21121894

約数列:

[1, 2, 7, 11, 14, 19, 22, 38, 77, 133, 154, 209, 266, 418, 1463, 2926, 7451, 14902, 52157, 81961, 104314, 141569, 163922, 283138, 573727, 990983, 1147454, 1557259, 1981966, 3114518, 10900813, 21801626]

約数ペア:

[(1, 21801626), (2, 10900813), (7, 3114518), (11, 1981966), (14, 1557259), (19, 1147454), (22, 990983), (38, 573727), (77, 283138), (133, 163922), (154, 141569), (209, 104314), (266, 81961), (418, 52157), (1463, 14902), (2926, 7451)]