21096438

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{163}}^1$

素因数の和:269

約数の個数: 64

約数和(自身を含む): 48460032

約数和(自身を除く): 27363594

約数列:

[1, 2, 3, 6, 11, 22, 33, 37, 53, 66, 74, 106, 111, 159, 163, 222, 318, 326, 407, 489, 583, 814, 978, 1166, 1221, 1749, 1793, 1961, 2442, 3498, 3586, 3922, 5379, 5883, 6031, 8639, 10758, 11766, 12062, 17278, 18093, 21571, 25917, 36186, 43142, 51834, 64713, 66341, 95029, 129426, 132682, 190058, 199023, 285087, 319643, 398046, 570174, 639286, 958929, 1917858, 3516073, 7032146, 10548219, 21096438]

約数ペア:

[(1, 21096438), (2, 10548219), (3, 7032146), (6, 3516073), (11, 1917858), (22, 958929), (33, 639286), (37, 570174), (53, 398046), (66, 319643), (74, 285087), (106, 199023), (111, 190058), (159, 132682), (163, 129426), (222, 95029), (318, 66341), (326, 64713), (407, 51834), (489, 43142), (583, 36186), (814, 25917), (978, 21571), (1166, 18093), (1221, 17278), (1749, 12062), (1793, 11766), (1961, 10758), (2442, 8639), (3498, 6031), (3586, 5883), (3922, 5379)]