21382485

素因数分解:

$3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{653}}^1$

素因数の和:757

約数の個数: 32

約数和(自身を含む): 35786880

約数和(自身を除く): 14404395

約数列:

[1, 3, 5, 15, 37, 59, 111, 177, 185, 295, 555, 653, 885, 1959, 2183, 3265, 6549, 9795, 10915, 24161, 32745, 38527, 72483, 115581, 120805, 192635, 362415, 577905, 1425499, 4276497, 7127495, 21382485]

約数ペア:

[(1, 21382485), (3, 7127495), (5, 4276497), (15, 1425499), (37, 577905), (59, 362415), (111, 192635), (177, 120805), (185, 115581), (295, 72483), (555, 38527), (653, 32745), (885, 24161), (1959, 10915), (2183, 9795), (3265, 6549)]