21055035

素因数分解:

$3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{643}}^1$

素因数の和:747

約数の個数: 32

約数和(自身を含む): 35239680

約数和(自身を除く): 14184645

約数列:

[1, 3, 5, 15, 37, 59, 111, 177, 185, 295, 555, 643, 885, 1929, 2183, 3215, 6549, 9645, 10915, 23791, 32745, 37937, 71373, 113811, 118955, 189685, 356865, 569055, 1403669, 4211007, 7018345, 21055035]

約数ペア:

[(1, 21055035), (3, 7018345), (5, 4211007), (15, 1403669), (37, 569055), (59, 356865), (111, 189685), (177, 118955), (185, 113811), (295, 71373), (555, 37937), (643, 32745), (885, 23791), (1929, 10915), (2183, 9645), (3215, 6549)]