21347335

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{173}}^1$

素因数の和:267

約数の個数: 32

約数和(自身を含む): 28563840

約数和(自身を除く): 7216505

約数列:

[1, 5, 23, 29, 37, 115, 145, 173, 185, 667, 851, 865, 1073, 3335, 3979, 4255, 5017, 5365, 6401, 19895, 24679, 25085, 32005, 115391, 123395, 147223, 185629, 576955, 736115, 928145, 4269467, 21347335]

約数ペア:

[(1, 21347335), (5, 4269467), (23, 928145), (29, 736115), (37, 576955), (115, 185629), (145, 147223), (173, 123395), (185, 115391), (667, 32005), (851, 25085), (865, 24679), (1073, 19895), (3335, 6401), (3979, 5365), (4255, 5017)]