21000762312

素因数分解:

$2^3\times 3^1\times {\mathrm{61}}^1\times {\mathrm{443}}^1\times {\mathrm{32381}}^1$

素因数の和:32894

約数の個数: 64

約数和(自身を含む): 53484701760

約数和(自身を除く): 32483939448

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 61, 122, 183, 244, 366, 443, 488, 732, 886, 1329, 1464, 1772, 2658, 3544, 5316, 10632, 27023, 32381, 54046, 64762, 81069, 97143, 108092, 129524, 162138, 194286, 216184, 259048, 324276, 388572, 648552, 777144, 1975241, 3950482, 5925723, 7900964, 11851446, 14344783, 15801928, 23702892, 28689566, 43034349, 47405784, 57379132, 86068698, 114758264, 172137396, 344274792, 875031763, 1750063526, 2625095289, 3500127052, 5250190578, 7000254104, 10500381156, 21000762312]

約数ペア:

[(1, 21000762312), (2, 10500381156), (3, 7000254104), (4, 5250190578), (6, 3500127052), (8, 2625095289), (12, 1750063526), (24, 875031763), (61, 344274792), (122, 172137396), (183, 114758264), (244, 86068698), (366, 57379132), (443, 47405784), (488, 43034349), (732, 28689566), (886, 23702892), (1329, 15801928), (1464, 14344783), (1772, 11851446), (2658, 7900964), (3544, 5925723), (5316, 3950482), (10632, 1975241), (27023, 777144), (32381, 648552), (54046, 388572), (64762, 324276), (81069, 259048), (97143, 216184), (108092, 194286), (129524, 162138)]