21356632

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{242689}}^1$

素因数の和:242706

約数の個数: 16

約数和(自身を含む): 43684200

約数和(自身を除く): 22327568

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 242689, 485378, 970756, 1941512, 2669579, 5339158, 10678316, 21356632]

約数ペア:

[(1, 21356632), (2, 10678316), (4, 5339158), (8, 2669579), (11, 1941512), (22, 970756), (44, 485378), (88, 242689)]