21708642

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{3347}}^1$

素因数の和:3422

約数の個数: 32

約数和(自身を含む): 46282752

約数和(自身を除く): 24574110

約数列:

[1, 2, 3, 6, 23, 46, 47, 69, 94, 138, 141, 282, 1081, 2162, 3243, 3347, 6486, 6694, 10041, 20082, 76981, 153962, 157309, 230943, 314618, 461886, 471927, 943854, 3618107, 7236214, 10854321, 21708642]

約数ペア:

[(1, 21708642), (2, 10854321), (3, 7236214), (6, 3618107), (23, 943854), (46, 471927), (47, 461886), (69, 314618), (94, 230943), (138, 157309), (141, 153962), (282, 76981), (1081, 20082), (2162, 10041), (3243, 6694), (3347, 6486)]