21464524

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{127}}^1$

素因数の和:238

約数の個数: 48

約数和(自身を含む): 41287680

約数和(自身を除く): 19823156

約数列:

[1, 2, 4, 29, 31, 47, 58, 62, 94, 116, 124, 127, 188, 254, 508, 899, 1363, 1457, 1798, 2726, 2914, 3596, 3683, 3937, 5452, 5828, 5969, 7366, 7874, 11938, 14732, 15748, 23876, 42253, 84506, 114173, 169012, 173101, 185039, 228346, 346202, 370078, 456692, 692404, 740156, 5366131, 10732262, 21464524]

約数ペア:

[(1, 21464524), (2, 10732262), (4, 5366131), (29, 740156), (31, 692404), (47, 456692), (58, 370078), (62, 346202), (94, 228346), (116, 185039), (124, 173101), (127, 169012), (188, 114173), (254, 84506), (508, 42253), (899, 23876), (1363, 15748), (1457, 14732), (1798, 11938), (2726, 7874), (2914, 7366), (3596, 5969), (3683, 5828), (3937, 5452)]