21873313

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{14951}}^1$

素因数の和:14988

約数の個数: 16

約数和(自身を含む): 28707840

約数和(自身を除く): 6834527

約数列:

[1, 7, 11, 19, 77, 133, 209, 1463, 14951, 104657, 164461, 284069, 1151227, 1988483, 3124759, 21873313]

約数ペア:

[(1, 21873313), (7, 3124759), (11, 1988483), (19, 1151227), (77, 284069), (133, 164461), (209, 104657), (1463, 14951)]