21326558

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{659}}^1\times {\mathrm{1471}}^1$

素因数の和:2143

約数の個数: 16

約数和(自身を含む): 34974720

約数和(自身を除く): 13648162

約数列:

[1, 2, 11, 22, 659, 1318, 1471, 2942, 7249, 14498, 16181, 32362, 969389, 1938778, 10663279, 21326558]

約数ペア:

[(1, 21326558), (2, 10663279), (11, 1938778), (22, 969389), (659, 32362), (1318, 16181), (1471, 14498), (2942, 7249)]