21888312

素因数分解:

$2^3\times 3^1\times {\mathrm{37}}^1\times {\mathrm{157}}^2$

素因数の和:360

約数の個数: 48

約数和(自身を含む): 56559960

約数和(自身を除く): 34671648

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 37, 74, 111, 148, 157, 222, 296, 314, 444, 471, 628, 888, 942, 1256, 1884, 3768, 5809, 11618, 17427, 23236, 24649, 34854, 46472, 49298, 69708, 73947, 98596, 139416, 147894, 197192, 295788, 591576, 912013, 1824026, 2736039, 3648052, 5472078, 7296104, 10944156, 21888312]

約数ペア:

[(1, 21888312), (2, 10944156), (3, 7296104), (4, 5472078), (6, 3648052), (8, 2736039), (12, 1824026), (24, 912013), (37, 591576), (74, 295788), (111, 197192), (148, 147894), (157, 139416), (222, 98596), (296, 73947), (314, 69708), (444, 49298), (471, 46472), (628, 34854), (888, 24649), (942, 23236), (1256, 17427), (1884, 11618), (3768, 5809)]