21853543

素因数分解:

${\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{283}}^1$

素因数の和:414

約数の個数: 16

約数和(自身を含む): 23556096

約数和(自身を除く): 1702553

約数列:

[1, 31, 47, 53, 283, 1457, 1643, 2491, 8773, 13301, 14999, 77221, 412331, 464969, 704953, 21853543]

約数ペア:

[(1, 21853543), (31, 704953), (47, 464969), (53, 412331), (283, 77221), (1457, 14999), (1643, 13301), (2491, 8773)]