21170712

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{2731}}^1$

素因数の和:2776

約数の個数: 64

約数和(自身を含む): 59011200

約数和(自身を除く): 37840488

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, 2731, 3876, 5462, 7752, 8193, 10924, 16386, 21848, 32772, 46427, 51889, 65544, 92854, 103778, 139281, 155667, 185708, 207556, 278562, 311334, 371416, 415112, 557124, 622668, 882113, 1114248, 1245336, 1764226, 2646339, 3528452, 5292678, 7056904, 10585356, 21170712]

約数ペア:

[(1, 21170712), (2, 10585356), (3, 7056904), (4, 5292678), (6, 3528452), (8, 2646339), (12, 1764226), (17, 1245336), (19, 1114248), (24, 882113), (34, 622668), (38, 557124), (51, 415112), (57, 371416), (68, 311334), (76, 278562), (102, 207556), (114, 185708), (136, 155667), (152, 139281), (204, 103778), (228, 92854), (323, 65544), (408, 51889), (456, 46427), (646, 32772), (969, 21848), (1292, 16386), (1938, 10924), (2584, 8193), (2731, 7752), (3876, 5462)]