21449784

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{2767}}^1$

素因数の和:2812

約数の個数: 64

約数和(自身を含む): 59788800

約数和(自身を除く): 38339016

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 19, 24, 34, 38, 51, 57, 68, 76, 102, 114, 136, 152, 204, 228, 323, 408, 456, 646, 969, 1292, 1938, 2584, 2767, 3876, 5534, 7752, 8301, 11068, 16602, 22136, 33204, 47039, 52573, 66408, 94078, 105146, 141117, 157719, 188156, 210292, 282234, 315438, 376312, 420584, 564468, 630876, 893741, 1128936, 1261752, 1787482, 2681223, 3574964, 5362446, 7149928, 10724892, 21449784]

約数ペア:

[(1, 21449784), (2, 10724892), (3, 7149928), (4, 5362446), (6, 3574964), (8, 2681223), (12, 1787482), (17, 1261752), (19, 1128936), (24, 893741), (34, 630876), (38, 564468), (51, 420584), (57, 376312), (68, 315438), (76, 282234), (102, 210292), (114, 188156), (136, 157719), (152, 141117), (204, 105146), (228, 94078), (323, 66408), (408, 52573), (456, 47039), (646, 33204), (969, 22136), (1292, 16602), (1938, 11068), (2584, 8301), (2767, 7752), (3876, 5534)]