21931518

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{74597}}^1$

素因数の和:74616

約数の個数: 24

約数和(自身を含む): 51025032

約数和(自身を除く): 29093514

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 294, 74597, 149194, 223791, 447582, 522179, 1044358, 1566537, 3133074, 3655253, 7310506, 10965759, 21931518]

約数ペア:

[(1, 21931518), (2, 10965759), (3, 7310506), (6, 3655253), (7, 3133074), (14, 1566537), (21, 1044358), (42, 522179), (49, 447582), (98, 223791), (147, 149194), (294, 74597)]