21437319

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{151}}^1\times {\mathrm{1279}}^1$

素因数の和:1470

約数の個数: 16

約数和(自身を含む): 29573120

約数和(自身を除く): 8135801

約数列:

[1, 3, 37, 111, 151, 453, 1279, 3837, 5587, 16761, 47323, 141969, 193129, 579387, 7145773, 21437319]

約数ペア:

[(1, 21437319), (3, 7145773), (37, 579387), (111, 193129), (151, 141969), (453, 47323), (1279, 16761), (3837, 5587)]