21193998

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{504619}}^1$

素因数の和:504631

約数の個数: 16

約数和(自身を含む): 48443520

約数和(自身を除く): 27249522

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 504619, 1009238, 1513857, 3027714, 3532333, 7064666, 10596999, 21193998]

約数ペア:

[(1, 21193998), (2, 10596999), (3, 7064666), (6, 3532333), (7, 3027714), (14, 1513857), (21, 1009238), (42, 504619)]