21433651

素因数分解:

${\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{269}}^1$

素因数の和:438

約数の個数: 16

約数和(自身を含む): 23522400

約数和(自身を除く): 2088749

約数列:

[1, 17, 43, 109, 269, 731, 1853, 4573, 4687, 11567, 29321, 79679, 196639, 498457, 1260803, 21433651]

約数ペア:

[(1, 21433651), (17, 1260803), (43, 498457), (109, 196639), (269, 79679), (731, 29321), (1853, 11567), (4573, 4687)]