21373264

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{121439}}^1$

素因数の和:121458

約数の個数: 20

約数和(自身を含む): 45175680

約数和(自身を除く): 23802416

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 121439, 242878, 485756, 971512, 1335829, 1943024, 2671658, 5343316, 10686632, 21373264]

約数ペア:

[(1, 21373264), (2, 10686632), (4, 5343316), (8, 2671658), (11, 1943024), (16, 1335829), (22, 971512), (44, 485756), (88, 242878), (176, 121439)]