21408876

素因数分解:

$2^2\times 3^2\times {\mathrm{47}}^1\times {\mathrm{12653}}^1$

素因数の和:12710

約数の個数: 36

約数和(自身を含む): 55272672

約数和(自身を除く): 33863796

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 47, 94, 141, 188, 282, 423, 564, 846, 1692, 12653, 25306, 37959, 50612, 75918, 113877, 151836, 227754, 455508, 594691, 1189382, 1784073, 2378764, 3568146, 5352219, 7136292, 10704438, 21408876]

約数ペア:

[(1, 21408876), (2, 10704438), (3, 7136292), (4, 5352219), (6, 3568146), (9, 2378764), (12, 1784073), (18, 1189382), (36, 594691), (47, 455508), (94, 227754), (141, 151836), (188, 113877), (282, 75918), (423, 50612), (564, 37959), (846, 25306), (1692, 12653)]