21083649

素因数分解:

$3^1\times {\mathrm{101}}^1\times {\mathrm{149}}^1\times {\mathrm{467}}^1$

素因数の和:720

約数の個数: 16

約数和(自身を含む): 28641600

約数和(自身を除く): 7557951

約数列:

[1, 3, 101, 149, 303, 447, 467, 1401, 15049, 45147, 47167, 69583, 141501, 208749, 7027883, 21083649]

約数ペア:

[(1, 21083649), (3, 7027883), (101, 208749), (149, 141501), (303, 69583), (447, 47167), (467, 45147), (1401, 15049)]