21006936

素因数分解:

$2^3\times 3^2\times {\mathrm{61}}^1\times {\mathrm{4783}}^1$

素因数の和:4856

約数の個数: 48

約数和(自身を含む): 57838560

約数和(自身を除く): 36831624

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 61, 72, 122, 183, 244, 366, 488, 549, 732, 1098, 1464, 2196, 4392, 4783, 9566, 14349, 19132, 28698, 38264, 43047, 57396, 86094, 114792, 172188, 291763, 344376, 583526, 875289, 1167052, 1750578, 2334104, 2625867, 3501156, 5251734, 7002312, 10503468, 21006936]

約数ペア:

[(1, 21006936), (2, 10503468), (3, 7002312), (4, 5251734), (6, 3501156), (8, 2625867), (9, 2334104), (12, 1750578), (18, 1167052), (24, 875289), (36, 583526), (61, 344376), (72, 291763), (122, 172188), (183, 114792), (244, 86094), (366, 57396), (488, 43047), (549, 38264), (732, 28698), (1098, 19132), (1464, 14349), (2196, 9566), (4392, 4783)]