21093842

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{136973}}^1$

素因数の和:136993

約数の個数: 16

約数和(自身を含む): 39448512

約数和(自身を除く): 18354670

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 136973, 273946, 958811, 1506703, 1917622, 3013406, 10546921, 21093842]

約数ペア:

[(1, 21093842), (2, 10546921), (7, 3013406), (11, 1917622), (14, 1506703), (22, 958811), (77, 273946), (154, 136973)]