21706392

素因数分解:

$2^3\times 3^1\times {\mathrm{67}}^1\times {\mathrm{13499}}^1$

素因数の和:13575

約数の個数: 32

約数和(自身を含む): 55080000

約数和(自身を除く): 33373608

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 67, 134, 201, 268, 402, 536, 804, 1608, 13499, 26998, 40497, 53996, 80994, 107992, 161988, 323976, 904433, 1808866, 2713299, 3617732, 5426598, 7235464, 10853196, 21706392]

約数ペア:

[(1, 21706392), (2, 10853196), (3, 7235464), (4, 5426598), (6, 3617732), (8, 2713299), (12, 1808866), (24, 904433), (67, 323976), (134, 161988), (201, 107992), (268, 80994), (402, 53996), (536, 40497), (804, 26998), (1608, 13499)]