21266403

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{3413}}^1$

素因数の和:3514

約数の個数: 16

約数和(自身を含む): 29715456

約数和(自身を除く): 8449053

約数列:

[1, 3, 31, 67, 93, 201, 2077, 3413, 6231, 10239, 105803, 228671, 317409, 686013, 7088801, 21266403]

約数ペア:

[(1, 21266403), (3, 7088801), (31, 686013), (67, 317409), (93, 228671), (201, 105803), (2077, 10239), (3413, 6231)]