21446397

素因数分解:

$3^3\times 7^1\times {\mathrm{53}}^1\times {\mathrm{2141}}^1$

素因数の和:2210

約数の個数: 32

約数和(自身を含む): 37013760

約数和(自身を除く): 15567363

約数列:

[1, 3, 7, 9, 21, 27, 53, 63, 159, 189, 371, 477, 1113, 1431, 2141, 3339, 6423, 10017, 14987, 19269, 44961, 57807, 113473, 134883, 340419, 404649, 794311, 1021257, 2382933, 3063771, 7148799, 21446397]

約数ペア:

[(1, 21446397), (3, 7148799), (7, 3063771), (9, 2382933), (21, 1021257), (27, 794311), (53, 404649), (63, 340419), (159, 134883), (189, 113473), (371, 57807), (477, 44961), (1113, 19269), (1431, 14987), (2141, 10017), (3339, 6423)]