21158733

素因数分解:

$3^1\times {\mathrm{157}}^1\times {\mathrm{167}}^1\times {\mathrm{269}}^1$

素因数の和:596

約数の個数: 16

約数和(自身を含む): 28667520

約数和(自身を除く): 7508787

約数列:

[1, 3, 157, 167, 269, 471, 501, 807, 26219, 42233, 44923, 78657, 126699, 134769, 7052911, 21158733]

約数ペア:

[(1, 21158733), (3, 7052911), (157, 134769), (167, 126699), (269, 78657), (471, 44923), (501, 42233), (807, 26219)]