21491976

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{81409}}^1$

素因数の和:81429

約数の個数: 32

約数和(自身を含む): 58615200

約数和(自身を除く): 37123224

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 44, 66, 88, 132, 264, 81409, 162818, 244227, 325636, 488454, 651272, 895499, 976908, 1790998, 1953816, 2686497, 3581996, 5372994, 7163992, 10745988, 21491976]

約数ペア:

[(1, 21491976), (2, 10745988), (3, 7163992), (4, 5372994), (6, 3581996), (8, 2686497), (11, 1953816), (12, 1790998), (22, 976908), (24, 895499), (33, 651272), (44, 488454), (66, 325636), (88, 244227), (132, 162818), (264, 81409)]