21597916

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{113}}^1\times {\mathrm{673}}^1$

素因数の和:861

約数の個数: 24

約数和(自身を含む): 38725344

約数和(自身を除く): 17127428

約数列:

[1, 2, 4, 71, 113, 142, 226, 284, 452, 673, 1346, 2692, 8023, 16046, 32092, 47783, 76049, 95566, 152098, 191132, 304196, 5399479, 10798958, 21597916]

約数ペア:

[(1, 21597916), (2, 10798958), (4, 5399479), (71, 304196), (113, 191132), (142, 152098), (226, 95566), (284, 76049), (452, 47783), (673, 32092), (1346, 16046), (2692, 8023)]