21821464

素因数分解:

$2^3\times 7^2\times {\mathrm{55667}}^1$

素因数の和:55687

約数の個数: 24

約数和(自身を含む): 47596140

約数和(自身を除く): 25774676

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 392, 55667, 111334, 222668, 389669, 445336, 779338, 1558676, 2727683, 3117352, 5455366, 10910732, 21821464]

約数ペア:

[(1, 21821464), (2, 10910732), (4, 5455366), (7, 3117352), (8, 2727683), (14, 1558676), (28, 779338), (49, 445336), (56, 389669), (98, 222668), (196, 111334), (392, 55667)]