21493551

素因数分解:

$3^1\times {\mathrm{97}}^1\times {\mathrm{233}}^1\times {\mathrm{317}}^1$

素因数の和:650

約数の個数: 16

約数和(自身を含む): 29169504

約数和(自身を除く): 7675953

約数列:

[1, 3, 97, 233, 291, 317, 699, 951, 22601, 30749, 67803, 73861, 92247, 221583, 7164517, 21493551]

約数ペア:

[(1, 21493551), (3, 7164517), (97, 221583), (233, 92247), (291, 73861), (317, 67803), (699, 30749), (951, 22601)]