21546470

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{17807}}^1$

素因数の和:17836

約数の個数: 24

約数和(自身を含む): 42632352

約数和(自身を除く): 21085882

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 121, 242, 605, 1210, 17807, 35614, 89035, 178070, 195877, 391754, 979385, 1958770, 2154647, 4309294, 10773235, 21546470]

約数ペア:

[(1, 21546470), (2, 10773235), (5, 4309294), (10, 2154647), (11, 1958770), (22, 979385), (55, 391754), (110, 195877), (121, 178070), (242, 89035), (605, 35614), (1210, 17807)]