21455868

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{3499}}^1$

素因数の和:3586

約数の個数: 48

約数和(自身を含む): 58016000

約数和(自身を除く): 36560132

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 73, 84, 146, 219, 292, 438, 511, 876, 1022, 1533, 2044, 3066, 3499, 6132, 6998, 10497, 13996, 20994, 24493, 41988, 48986, 73479, 97972, 146958, 255427, 293916, 510854, 766281, 1021708, 1532562, 1787989, 3065124, 3575978, 5363967, 7151956, 10727934, 21455868]

約数ペア:

[(1, 21455868), (2, 10727934), (3, 7151956), (4, 5363967), (6, 3575978), (7, 3065124), (12, 1787989), (14, 1532562), (21, 1021708), (28, 766281), (42, 510854), (73, 293916), (84, 255427), (146, 146958), (219, 97972), (292, 73479), (438, 48986), (511, 41988), (876, 24493), (1022, 20994), (1533, 13996), (2044, 10497), (3066, 6998), (3499, 6132)]