21113712

素因数分解:

$2^4\times 3^2\times {\mathrm{19}}^1\times {\mathrm{7717}}^1$

素因数の和:7750

約数の個数: 60

約数和(自身を含む): 62207080

約数和(自身を除く): 41093368

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 36, 38, 48, 57, 72, 76, 114, 144, 152, 171, 228, 304, 342, 456, 684, 912, 1368, 2736, 7717, 15434, 23151, 30868, 46302, 61736, 69453, 92604, 123472, 138906, 146623, 185208, 277812, 293246, 370416, 439869, 555624, 586492, 879738, 1111248, 1172984, 1319607, 1759476, 2345968, 2639214, 3518952, 5278428, 7037904, 10556856, 21113712]

約数ペア:

[(1, 21113712), (2, 10556856), (3, 7037904), (4, 5278428), (6, 3518952), (8, 2639214), (9, 2345968), (12, 1759476), (16, 1319607), (18, 1172984), (19, 1111248), (24, 879738), (36, 586492), (38, 555624), (48, 439869), (57, 370416), (72, 293246), (76, 277812), (114, 185208), (144, 146623), (152, 138906), (171, 123472), (228, 92604), (304, 69453), (342, 61736), (456, 46302), (684, 30868), (912, 23151), (1368, 15434), (2736, 7717)]