21651564

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{97}}^1$

素因数の和:223

約数の個数: 96

約数和(自身を含む): 59270400

約数和(自身を除く): 37618836

約数列:

[1, 2, 3, 4, 6, 11, 12, 19, 22, 33, 38, 44, 57, 66, 76, 89, 97, 114, 132, 178, 194, 209, 228, 267, 291, 356, 388, 418, 534, 582, 627, 836, 979, 1067, 1068, 1164, 1254, 1691, 1843, 1958, 2134, 2508, 2937, 3201, 3382, 3686, 3916, 4268, 5073, 5529, 5874, 6402, 6764, 7372, 8633, 10146, 11058, 11748, 12804, 17266, 18601, 20273, 20292, 22116, 25899, 34532, 37202, 40546, 51798, 55803, 60819, 74404, 81092, 94963, 103596, 111606, 121638, 164027, 189926, 223212, 243276, 284889, 328054, 379852, 492081, 569778, 656108, 984162, 1139556, 1804297, 1968324, 3608594, 5412891, 7217188, 10825782, 21651564]

約数ペア:

[(1, 21651564), (2, 10825782), (3, 7217188), (4, 5412891), (6, 3608594), (11, 1968324), (12, 1804297), (19, 1139556), (22, 984162), (33, 656108), (38, 569778), (44, 492081), (57, 379852), (66, 328054), (76, 284889), (89, 243276), (97, 223212), (114, 189926), (132, 164027), (178, 121638), (194, 111606), (209, 103596), (228, 94963), (267, 81092), (291, 74404), (356, 60819), (388, 55803), (418, 51798), (534, 40546), (582, 37202), (627, 34532), (836, 25899), (979, 22116), (1067, 20292), (1068, 20273), (1164, 18601), (1254, 17266), (1691, 12804), (1843, 11748), (1958, 11058), (2134, 10146), (2508, 8633), (2937, 7372), (3201, 6764), (3382, 6402), (3686, 5874), (3916, 5529), (4268, 5073)]