21492948

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{1811}}^1$

素因数の和:1884

約数の個数: 48

約数和(自身を含む): 53577216

約数和(自身を除く): 32084268

約数列:

[1, 2, 3, 4, 6, 12, 23, 43, 46, 69, 86, 92, 129, 138, 172, 258, 276, 516, 989, 1811, 1978, 2967, 3622, 3956, 5433, 5934, 7244, 10866, 11868, 21732, 41653, 77873, 83306, 124959, 155746, 166612, 233619, 249918, 311492, 467238, 499836, 934476, 1791079, 3582158, 5373237, 7164316, 10746474, 21492948]

約数ペア:

[(1, 21492948), (2, 10746474), (3, 7164316), (4, 5373237), (6, 3582158), (12, 1791079), (23, 934476), (43, 499836), (46, 467238), (69, 311492), (86, 249918), (92, 233619), (129, 166612), (138, 155746), (172, 124959), (258, 83306), (276, 77873), (516, 41653), (989, 21732), (1811, 11868), (1978, 10866), (2967, 7244), (3622, 5934), (3956, 5433)]