21451464

素因数分解:

$2^3\times 3^2\times {\mathrm{251}}^1\times {\mathrm{1187}}^1$

素因数の和:1450

約数の個数: 48

約数和(自身を含む): 58378320

約数和(自身を除く): 36926856

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 251, 502, 753, 1004, 1187, 1506, 2008, 2259, 2374, 3012, 3561, 4518, 4748, 6024, 7122, 9036, 9496, 10683, 14244, 18072, 21366, 28488, 42732, 85464, 297937, 595874, 893811, 1191748, 1787622, 2383496, 2681433, 3575244, 5362866, 7150488, 10725732, 21451464]

約数ペア:

[(1, 21451464), (2, 10725732), (3, 7150488), (4, 5362866), (6, 3575244), (8, 2681433), (9, 2383496), (12, 1787622), (18, 1191748), (24, 893811), (36, 595874), (72, 297937), (251, 85464), (502, 42732), (753, 28488), (1004, 21366), (1187, 18072), (1506, 14244), (2008, 10683), (2259, 9496), (2374, 9036), (3012, 7122), (3561, 6024), (4518, 4748)]