21084648

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{67579}}^1$

素因数の和:67601

約数の個数: 32

約数和(自身を含む): 56767200

約数和(自身を除く): 35682552

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 67579, 135158, 202737, 270316, 405474, 540632, 810948, 878527, 1621896, 1757054, 2635581, 3514108, 5271162, 7028216, 10542324, 21084648]

約数ペア:

[(1, 21084648), (2, 10542324), (3, 7028216), (4, 5271162), (6, 3514108), (8, 2635581), (12, 1757054), (13, 1621896), (24, 878527), (26, 810948), (39, 540632), (52, 405474), (78, 270316), (104, 202737), (156, 135158), (312, 67579)]