21409218

素因数分解:

$2^1\times 3^3\times {\mathrm{449}}^1\times {\mathrm{883}}^1$

素因数の和:1343

約数の個数: 32

約数和(自身を含む): 47736000

約数和(自身を除く): 26326782

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 449, 883, 898, 1347, 1766, 2649, 2694, 4041, 5298, 7947, 8082, 12123, 15894, 23841, 24246, 47682, 396467, 792934, 1189401, 2378802, 3568203, 7136406, 10704609, 21409218]

約数ペア:

[(1, 21409218), (2, 10704609), (3, 7136406), (6, 3568203), (9, 2378802), (18, 1189401), (27, 792934), (54, 396467), (449, 47682), (883, 24246), (898, 23841), (1347, 15894), (1766, 12123), (2649, 8082), (2694, 7947), (4041, 5298)]