21797864

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{13037}}^1$

素因数の和:13073

約数の個数: 32

約数和(自身を含む): 46936800

約数和(自身を除く): 25138936

約数列:

[1, 2, 4, 8, 11, 19, 22, 38, 44, 76, 88, 152, 209, 418, 836, 1672, 13037, 26074, 52148, 104296, 143407, 247703, 286814, 495406, 573628, 990812, 1147256, 1981624, 2724733, 5449466, 10898932, 21797864]

約数ペア:

[(1, 21797864), (2, 10898932), (4, 5449466), (8, 2724733), (11, 1981624), (19, 1147256), (22, 990812), (38, 573628), (44, 495406), (76, 286814), (88, 247703), (152, 143407), (209, 104296), (418, 52148), (836, 26074), (1672, 13037)]