21673355

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{6679}}^1$

素因数の和:6754

約数の個数: 16

約数和(自身を含む): 28857600

約数和(自身を除く): 7184245

約数列:

[1, 5, 11, 55, 59, 295, 649, 3245, 6679, 33395, 73469, 367345, 394061, 1970305, 4334671, 21673355]

約数ペア:

[(1, 21673355), (5, 4334671), (11, 1970305), (55, 394061), (59, 367345), (295, 73469), (649, 33395), (3245, 6679)]