21416344

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{140897}}^1$

素因数の和:140922

約数の個数: 16

約数和(自身を含む): 42269400

約数和(自身を除く): 20853056

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 140897, 281794, 563588, 1127176, 2677043, 5354086, 10708172, 21416344]

約数ペア:

[(1, 21416344), (2, 10708172), (4, 5354086), (8, 2677043), (19, 1127176), (38, 563588), (76, 281794), (152, 140897)]