21382448

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{1901}}^1$

素因数の和:1965

約数の個数: 40

約数和(自身を含む): 44811120

約数和(自身を除く): 23428672

約数列:

[1, 2, 4, 8, 16, 19, 37, 38, 74, 76, 148, 152, 296, 304, 592, 703, 1406, 1901, 2812, 3802, 5624, 7604, 11248, 15208, 30416, 36119, 70337, 72238, 140674, 144476, 281348, 288952, 562696, 577904, 1125392, 1336403, 2672806, 5345612, 10691224, 21382448]

約数ペア:

[(1, 21382448), (2, 10691224), (4, 5345612), (8, 2672806), (16, 1336403), (19, 1125392), (37, 577904), (38, 562696), (74, 288952), (76, 281348), (148, 144476), (152, 140674), (296, 72238), (304, 70337), (592, 36119), (703, 30416), (1406, 15208), (1901, 11248), (2812, 7604), (3802, 5624)]