21880451658

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{491}}^1\times {\mathrm{571321}}^1$

素因数の和:571830

約数の個数: 32

約数和(自身を含む): 47223191232

約数和(自身を除く): 25342739574

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 491, 982, 1473, 2946, 6383, 12766, 19149, 38298, 571321, 1142642, 1713963, 3427926, 7427173, 14854346, 22281519, 44563038, 280518611, 561037222, 841555833, 1683111666, 3646741943, 7293483886, 10940225829, 21880451658]

約数ペア:

[(1, 21880451658), (2, 10940225829), (3, 7293483886), (6, 3646741943), (13, 1683111666), (26, 841555833), (39, 561037222), (78, 280518611), (491, 44563038), (982, 22281519), (1473, 14854346), (2946, 7427173), (6383, 3427926), (12766, 1713963), (19149, 1142642), (38298, 571321)]