21009659

素因数分解:

${\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{983}}^1$

素因数の和:1090

約数の個数: 16

約数和(自身を含む): 24088320

約数和(自身を除く): 3078661

約数列:

[1, 11, 29, 67, 319, 737, 983, 1943, 10813, 21373, 28507, 65861, 313577, 724471, 1909969, 21009659]

約数ペア:

[(1, 21009659), (11, 1909969), (29, 724471), (67, 313577), (319, 65861), (737, 28507), (983, 21373), (1943, 10813)]