21635733

素因数分解:

$3^1\times 7^1\times {\mathrm{151}}^1\times {\mathrm{6823}}^1$

素因数の和:6984

約数の個数: 16

約数和(自身を含む): 33191936

約数和(自身を除く): 11556203

約数列:

[1, 3, 7, 21, 151, 453, 1057, 3171, 6823, 20469, 47761, 143283, 1030273, 3090819, 7211911, 21635733]

約数ペア:

[(1, 21635733), (3, 7211911), (7, 3090819), (21, 1030273), (151, 143283), (453, 47761), (1057, 20469), (3171, 6823)]