21218472

素因数分解:

$2^3\times 3^2\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{367}}^1$

素因数の和:463

約数の個数: 96

約数和(自身を含む): 63722880

約数和(自身を除く): 42504408

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 18, 22, 24, 33, 36, 44, 66, 72, 73, 88, 99, 132, 146, 198, 219, 264, 292, 367, 396, 438, 584, 657, 734, 792, 803, 876, 1101, 1314, 1468, 1606, 1752, 2202, 2409, 2628, 2936, 3212, 3303, 4037, 4404, 4818, 5256, 6424, 6606, 7227, 8074, 8808, 9636, 12111, 13212, 14454, 16148, 19272, 24222, 26424, 26791, 28908, 32296, 36333, 48444, 53582, 57816, 72666, 80373, 96888, 107164, 145332, 160746, 214328, 241119, 290664, 294701, 321492, 482238, 589402, 642984, 884103, 964476, 1178804, 1768206, 1928952, 2357608, 2652309, 3536412, 5304618, 7072824, 10609236, 21218472]

約数ペア:

[(1, 21218472), (2, 10609236), (3, 7072824), (4, 5304618), (6, 3536412), (8, 2652309), (9, 2357608), (11, 1928952), (12, 1768206), (18, 1178804), (22, 964476), (24, 884103), (33, 642984), (36, 589402), (44, 482238), (66, 321492), (72, 294701), (73, 290664), (88, 241119), (99, 214328), (132, 160746), (146, 145332), (198, 107164), (219, 96888), (264, 80373), (292, 72666), (367, 57816), (396, 53582), (438, 48444), (584, 36333), (657, 32296), (734, 28908), (792, 26791), (803, 26424), (876, 24222), (1101, 19272), (1314, 16148), (1468, 14454), (1606, 13212), (1752, 12111), (2202, 9636), (2409, 8808), (2628, 8074), (2936, 7227), (3212, 6606), (3303, 6424), (4037, 5256), (4404, 4818)]