21513888

素因数分解:

$2^5\times 3^2\times {\mathrm{11}}^1\times {\mathrm{6791}}^1$

素因数の和:6818

約数の個数: 72

約数和(自身を含む): 66751776

約数和(自身を除く): 45237888

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 32, 33, 36, 44, 48, 66, 72, 88, 96, 99, 132, 144, 176, 198, 264, 288, 352, 396, 528, 792, 1056, 1584, 3168, 6791, 13582, 20373, 27164, 40746, 54328, 61119, 74701, 81492, 108656, 122238, 149402, 162984, 217312, 224103, 244476, 298804, 325968, 448206, 488952, 597608, 651936, 672309, 896412, 977904, 1195216, 1344618, 1792824, 1955808, 2390432, 2689236, 3585648, 5378472, 7171296, 10756944, 21513888]

約数ペア:

[(1, 21513888), (2, 10756944), (3, 7171296), (4, 5378472), (6, 3585648), (8, 2689236), (9, 2390432), (11, 1955808), (12, 1792824), (16, 1344618), (18, 1195216), (22, 977904), (24, 896412), (32, 672309), (33, 651936), (36, 597608), (44, 488952), (48, 448206), (66, 325968), (72, 298804), (88, 244476), (96, 224103), (99, 217312), (132, 162984), (144, 149402), (176, 122238), (198, 108656), (264, 81492), (288, 74701), (352, 61119), (396, 54328), (528, 40746), (792, 27164), (1056, 20373), (1584, 13582), (3168, 6791)]