21085986

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{3251}}^1$

素因数の和:3326

約数の個数: 32

約数和(自身を含む): 44955648

約数和(自身を除く): 23869662

約数列:

[1, 2, 3, 6, 23, 46, 47, 69, 94, 138, 141, 282, 1081, 2162, 3243, 3251, 6486, 6502, 9753, 19506, 74773, 149546, 152797, 224319, 305594, 448638, 458391, 916782, 3514331, 7028662, 10542993, 21085986]

約数ペア:

[(1, 21085986), (2, 10542993), (3, 7028662), (6, 3514331), (23, 916782), (46, 458391), (47, 448638), (69, 305594), (94, 224319), (138, 152797), (141, 149546), (282, 74773), (1081, 19506), (2162, 9753), (3243, 6502), (3251, 6486)]