21669902

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{307}}^1\times {\mathrm{1217}}^1$

素因数の和:1555

約数の個数: 16

約数和(自身を含む): 33762960

約数和(自身を除く): 12093058

約数列:

[1, 2, 29, 58, 307, 614, 1217, 2434, 8903, 17806, 35293, 70586, 373619, 747238, 10834951, 21669902]

約数ペア:

[(1, 21669902), (2, 10834951), (29, 747238), (58, 373619), (307, 70586), (614, 35293), (1217, 17806), (2434, 8903)]