21973424

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{6571}}^1$

素因数の和:6609

約数の個数: 40

約数和(自身を含む): 48895680

約数和(自身を除く): 26922256

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 38, 44, 76, 88, 152, 176, 209, 304, 418, 836, 1672, 3344, 6571, 13142, 26284, 52568, 72281, 105136, 124849, 144562, 249698, 289124, 499396, 578248, 998792, 1156496, 1373339, 1997584, 2746678, 5493356, 10986712, 21973424]

約数ペア:

[(1, 21973424), (2, 10986712), (4, 5493356), (8, 2746678), (11, 1997584), (16, 1373339), (19, 1156496), (22, 998792), (38, 578248), (44, 499396), (76, 289124), (88, 249698), (152, 144562), (176, 124849), (209, 105136), (304, 72281), (418, 52568), (836, 26284), (1672, 13142), (3344, 6571)]