21000606768

素因数分解:

$2^4\times 3^2\times {\mathrm{31}}^1\times {\mathrm{4704437}}^1$

素因数の和:4704482

約数の個数: 60

約数和(自身を含む): 60668432448

約数和(自身を除く): 39667825680

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 31, 36, 48, 62, 72, 93, 124, 144, 186, 248, 279, 372, 496, 558, 744, 1116, 1488, 2232, 4464, 4704437, 9408874, 14113311, 18817748, 28226622, 37635496, 42339933, 56453244, 75270992, 84679866, 112906488, 145837547, 169359732, 225812976, 291675094, 338719464, 437512641, 583350188, 677438928, 875025282, 1166700376, 1312537923, 1750050564, 2333400752, 2625075846, 3500101128, 5250151692, 7000202256, 10500303384, 21000606768]

約数ペア:

[(1, 21000606768), (2, 10500303384), (3, 7000202256), (4, 5250151692), (6, 3500101128), (8, 2625075846), (9, 2333400752), (12, 1750050564), (16, 1312537923), (18, 1166700376), (24, 875025282), (31, 677438928), (36, 583350188), (48, 437512641), (62, 338719464), (72, 291675094), (93, 225812976), (124, 169359732), (144, 145837547), (186, 112906488), (248, 84679866), (279, 75270992), (372, 56453244), (496, 42339933), (558, 37635496), (744, 28226622), (1116, 18817748), (1488, 14113311), (2232, 9408874), (4464, 4704437)]