21088896081

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{619}}^1\times {\mathrm{811}}^1$

素因数の和:1530

約数の個数: 64

約数和(自身を含む): 32864563200

約数和(自身を除く): 11775667119

約数列:

[1, 3, 11, 19, 33, 57, 67, 201, 209, 619, 627, 737, 811, 1273, 1857, 2211, 2433, 3819, 6809, 8921, 11761, 14003, 15409, 20427, 26763, 35283, 41473, 42009, 46227, 54337, 124419, 129371, 163011, 169499, 388113, 456203, 502009, 508497, 597707, 787987, 1032403, 1368609, 1506027, 1793121, 2363961, 3097209, 5522099, 8667857, 9538171, 11356433, 16566297, 26003571, 28614513, 33634603, 34069299, 100903809, 104919881, 314759643, 369980633, 639057457, 1109941899, 1917172371, 7029632027, 21088896081]

約数ペア:

[(1, 21088896081), (3, 7029632027), (11, 1917172371), (19, 1109941899), (33, 639057457), (57, 369980633), (67, 314759643), (201, 104919881), (209, 100903809), (619, 34069299), (627, 33634603), (737, 28614513), (811, 26003571), (1273, 16566297), (1857, 11356433), (2211, 9538171), (2433, 8667857), (3819, 5522099), (6809, 3097209), (8921, 2363961), (11761, 1793121), (14003, 1506027), (15409, 1368609), (20427, 1032403), (26763, 787987), (35283, 597707), (41473, 508497), (42009, 502009), (46227, 456203), (54337, 388113), (124419, 169499), (129371, 163011)]