21949712

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{701}}^1$

素因数の和:831

約数の個数: 40

約数和(自身を含む): 45264960

約数和(自身を除く): 23315248

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 103, 152, 206, 304, 412, 701, 824, 1402, 1648, 1957, 2804, 3914, 5608, 7828, 11216, 13319, 15656, 26638, 31312, 53276, 72203, 106552, 144406, 213104, 288812, 577624, 1155248, 1371857, 2743714, 5487428, 10974856, 21949712]

約数ペア:

[(1, 21949712), (2, 10974856), (4, 5487428), (8, 2743714), (16, 1371857), (19, 1155248), (38, 577624), (76, 288812), (103, 213104), (152, 144406), (206, 106552), (304, 72203), (412, 53276), (701, 31312), (824, 26638), (1402, 15656), (1648, 13319), (1957, 11216), (2804, 7828), (3914, 5608)]