21883004

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{571}}^1$

素因数の和:666

約数の個数: 48

約数和(自身を含む): 45741696

約数和(自身を除く): 23858692

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 67, 134, 143, 268, 286, 571, 572, 737, 871, 1142, 1474, 1742, 2284, 2948, 3484, 6281, 7423, 9581, 12562, 14846, 19162, 25124, 29692, 38257, 38324, 76514, 81653, 153028, 163306, 326612, 420827, 497341, 841654, 994682, 1683308, 1989364, 5470751, 10941502, 21883004]

約数ペア:

[(1, 21883004), (2, 10941502), (4, 5470751), (11, 1989364), (13, 1683308), (22, 994682), (26, 841654), (44, 497341), (52, 420827), (67, 326612), (134, 163306), (143, 153028), (268, 81653), (286, 76514), (571, 38324), (572, 38257), (737, 29692), (871, 25124), (1142, 19162), (1474, 14846), (1742, 12562), (2284, 9581), (2948, 7423), (3484, 6281)]