21572752

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{2447}}^1$

素因数の和:2503

約数の個数: 40

約数和(自身を含む): 45532800

約数和(自身を除く): 23960048

約数列:

[1, 2, 4, 8, 16, 19, 29, 38, 58, 76, 116, 152, 232, 304, 464, 551, 1102, 2204, 2447, 4408, 4894, 8816, 9788, 19576, 39152, 46493, 70963, 92986, 141926, 185972, 283852, 371944, 567704, 743888, 1135408, 1348297, 2696594, 5393188, 10786376, 21572752]

約数ペア:

[(1, 21572752), (2, 10786376), (4, 5393188), (8, 2696594), (16, 1348297), (19, 1135408), (29, 743888), (38, 567704), (58, 371944), (76, 283852), (116, 185972), (152, 141926), (232, 92986), (304, 70963), (464, 46493), (551, 39152), (1102, 19576), (2204, 9788), (2447, 8816), (4408, 4894)]