21175.000000

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1$

素因数の和:136

約数の個数: 16

約数和(自身を含む): 483840

約数和(自身を除く): 108895

約数列:

[1, 5, 31, 41, 59, 155, 205, 295, 1271, 1829, 2419, 6355, 9145, 12095, 74989, 374945]

約数ペア:

[(1, 374945), (5, 74989), (31, 12095), (41, 9145), (59, 6355), (155, 2419), (205, 1829), (295, 1271)]