21696052

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{18899}}^1$

素因数の和:18951

約数の個数: 24

約数和(自身を含む): 44452800

約数和(自身を除く): 22756748

約数列:

[1, 2, 4, 7, 14, 28, 41, 82, 164, 287, 574, 1148, 18899, 37798, 75596, 132293, 264586, 529172, 774859, 1549718, 3099436, 5424013, 10848026, 21696052]

約数ペア:

[(1, 21696052), (2, 10848026), (4, 5424013), (7, 3099436), (14, 1549718), (28, 774859), (41, 529172), (82, 264586), (164, 132293), (287, 75596), (574, 37798), (1148, 18899)]