21026808

素因数分解:

$2^3\times 3^2\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{191}}^1$

素因数の和:353

約数の個数: 96

約数和(自身を含む): 62899200

約数和(自身を除く): 41872392

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 18, 22, 24, 33, 36, 44, 66, 72, 88, 99, 132, 139, 191, 198, 264, 278, 382, 396, 417, 556, 573, 764, 792, 834, 1112, 1146, 1251, 1528, 1529, 1668, 1719, 2101, 2292, 2502, 3058, 3336, 3438, 4202, 4584, 4587, 5004, 6116, 6303, 6876, 8404, 9174, 10008, 12232, 12606, 13752, 13761, 16808, 18348, 18909, 25212, 26549, 27522, 36696, 37818, 50424, 53098, 55044, 75636, 79647, 106196, 110088, 151272, 159294, 212392, 238941, 292039, 318588, 477882, 584078, 637176, 876117, 955764, 1168156, 1752234, 1911528, 2336312, 2628351, 3504468, 5256702, 7008936, 10513404, 21026808]

約数ペア:

[(1, 21026808), (2, 10513404), (3, 7008936), (4, 5256702), (6, 3504468), (8, 2628351), (9, 2336312), (11, 1911528), (12, 1752234), (18, 1168156), (22, 955764), (24, 876117), (33, 637176), (36, 584078), (44, 477882), (66, 318588), (72, 292039), (88, 238941), (99, 212392), (132, 159294), (139, 151272), (191, 110088), (198, 106196), (264, 79647), (278, 75636), (382, 55044), (396, 53098), (417, 50424), (556, 37818), (573, 36696), (764, 27522), (792, 26549), (834, 25212), (1112, 18909), (1146, 18348), (1251, 16808), (1528, 13761), (1529, 13752), (1668, 12606), (1719, 12232), (2101, 10008), (2292, 9174), (2502, 8404), (3058, 6876), (3336, 6303), (3438, 6116), (4202, 5004), (4584, 4587)]