21636654

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{6451}}^1$

素因数の和:6512

約数の個数: 32

約数和(自身を含む): 47693184

約数和(自身を除く): 26056530

約数列:

[1, 2, 3, 6, 13, 26, 39, 43, 78, 86, 129, 258, 559, 1118, 1677, 3354, 6451, 12902, 19353, 38706, 83863, 167726, 251589, 277393, 503178, 554786, 832179, 1664358, 3606109, 7212218, 10818327, 21636654]

約数ペア:

[(1, 21636654), (2, 10818327), (3, 7212218), (6, 3606109), (13, 1664358), (26, 832179), (39, 554786), (43, 503178), (78, 277393), (86, 251589), (129, 167726), (258, 83863), (559, 38706), (1118, 19353), (1677, 12902), (3354, 6451)]