21761235

素因数分解:

$3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{10289}}^1$

素因数の和:10347

約数の個数: 24

約数和(自身を含む): 38525760

約数和(自身を除く): 16764525

約数列:

[1, 3, 5, 9, 15, 45, 47, 141, 235, 423, 705, 2115, 10289, 30867, 51445, 92601, 154335, 463005, 483583, 1450749, 2417915, 4352247, 7253745, 21761235]

約数ペア:

[(1, 21761235), (3, 7253745), (5, 4352247), (9, 2417915), (15, 1450749), (45, 483583), (47, 463005), (141, 154335), (235, 92601), (423, 51445), (705, 30867), (2115, 10289)]