21108312

素因数分解:

$2^3\times 3^2\times {\mathrm{59}}^1\times {\mathrm{4969}}^1$

素因数の和:5040

約数の個数: 48

約数和(自身を含む): 58149000

約数和(自身を除く): 37040688

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 59, 72, 118, 177, 236, 354, 472, 531, 708, 1062, 1416, 2124, 4248, 4969, 9938, 14907, 19876, 29814, 39752, 44721, 59628, 89442, 119256, 178884, 293171, 357768, 586342, 879513, 1172684, 1759026, 2345368, 2638539, 3518052, 5277078, 7036104, 10554156, 21108312]

約数ペア:

[(1, 21108312), (2, 10554156), (3, 7036104), (4, 5277078), (6, 3518052), (8, 2638539), (9, 2345368), (12, 1759026), (18, 1172684), (24, 879513), (36, 586342), (59, 357768), (72, 293171), (118, 178884), (177, 119256), (236, 89442), (354, 59628), (472, 44721), (531, 39752), (708, 29814), (1062, 19876), (1416, 14907), (2124, 9938), (4248, 4969)]