21087528

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{11411}}^1$

素因数の和:11438

約数の個数: 64

約数和(自身を含む): 65733120

約数和(自身を除く): 44645592

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 21, 22, 24, 28, 33, 42, 44, 56, 66, 77, 84, 88, 132, 154, 168, 231, 264, 308, 462, 616, 924, 1848, 11411, 22822, 34233, 45644, 68466, 79877, 91288, 125521, 136932, 159754, 239631, 251042, 273864, 319508, 376563, 479262, 502084, 639016, 753126, 878647, 958524, 1004168, 1506252, 1757294, 1917048, 2635941, 3012504, 3514588, 5271882, 7029176, 10543764, 21087528]

約数ペア:

[(1, 21087528), (2, 10543764), (3, 7029176), (4, 5271882), (6, 3514588), (7, 3012504), (8, 2635941), (11, 1917048), (12, 1757294), (14, 1506252), (21, 1004168), (22, 958524), (24, 878647), (28, 753126), (33, 639016), (42, 502084), (44, 479262), (56, 376563), (66, 319508), (77, 273864), (84, 251042), (88, 239631), (132, 159754), (154, 136932), (168, 125521), (231, 91288), (264, 79877), (308, 68466), (462, 45644), (616, 34233), (924, 22822), (1848, 11411)]