21000971069

素因数分解:

${\mathrm{13}}^2\times {\mathrm{103}}^1\times {\mathrm{1206467}}^1$

素因数の和:1206596

約数の個数: 12

約数和(自身を含む): 22961498976

約数和(自身を除く): 1960527907

約数列:

[1, 13, 103, 169, 1339, 17407, 1206467, 15684071, 124266101, 203892923, 1615459313, 21000971069]

約数ペア:

[(1, 21000971069), (13, 1615459313), (103, 203892923), (169, 124266101), (1339, 15684071), (17407, 1206467)]