21977676

素因数分解:

$2^2\times 3^3\times 7^2\times {\mathrm{4153}}^1$

素因数の和:4180

約数の個数: 72

約数和(自身を含む): 66297840

約数和(自身を除く): 44320164

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 49, 54, 63, 84, 98, 108, 126, 147, 189, 196, 252, 294, 378, 441, 588, 756, 882, 1323, 1764, 2646, 4153, 5292, 8306, 12459, 16612, 24918, 29071, 37377, 49836, 58142, 74754, 87213, 112131, 116284, 149508, 174426, 203497, 224262, 261639, 348852, 406994, 448524, 523278, 610491, 784917, 813988, 1046556, 1220982, 1569834, 1831473, 2441964, 3139668, 3662946, 5494419, 7325892, 10988838, 21977676]

約数ペア:

[(1, 21977676), (2, 10988838), (3, 7325892), (4, 5494419), (6, 3662946), (7, 3139668), (9, 2441964), (12, 1831473), (14, 1569834), (18, 1220982), (21, 1046556), (27, 813988), (28, 784917), (36, 610491), (42, 523278), (49, 448524), (54, 406994), (63, 348852), (84, 261639), (98, 224262), (108, 203497), (126, 174426), (147, 149508), (189, 116284), (196, 112131), (252, 87213), (294, 74754), (378, 58142), (441, 49836), (588, 37377), (756, 29071), (882, 24918), (1323, 16612), (1764, 12459), (2646, 8306), (4153, 5292)]