21807864

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1013}}^1$

素因数の和:1061

約数の個数: 96

約数和(自身を含む): 66437280

約数和(自身を除く): 44629416

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 23, 24, 26, 36, 39, 46, 52, 69, 72, 78, 92, 104, 117, 138, 156, 184, 207, 234, 276, 299, 312, 414, 468, 552, 598, 828, 897, 936, 1013, 1196, 1656, 1794, 2026, 2392, 2691, 3039, 3588, 4052, 5382, 6078, 7176, 8104, 9117, 10764, 12156, 13169, 18234, 21528, 23299, 24312, 26338, 36468, 39507, 46598, 52676, 69897, 72936, 79014, 93196, 105352, 118521, 139794, 158028, 186392, 209691, 237042, 279588, 302887, 316056, 419382, 474084, 559176, 605774, 838764, 908661, 948168, 1211548, 1677528, 1817322, 2423096, 2725983, 3634644, 5451966, 7269288, 10903932, 21807864]

約数ペア:

[(1, 21807864), (2, 10903932), (3, 7269288), (4, 5451966), (6, 3634644), (8, 2725983), (9, 2423096), (12, 1817322), (13, 1677528), (18, 1211548), (23, 948168), (24, 908661), (26, 838764), (36, 605774), (39, 559176), (46, 474084), (52, 419382), (69, 316056), (72, 302887), (78, 279588), (92, 237042), (104, 209691), (117, 186392), (138, 158028), (156, 139794), (184, 118521), (207, 105352), (234, 93196), (276, 79014), (299, 72936), (312, 69897), (414, 52676), (468, 46598), (552, 39507), (598, 36468), (828, 26338), (897, 24312), (936, 23299), (1013, 21528), (1196, 18234), (1656, 13169), (1794, 12156), (2026, 10764), (2392, 9117), (2691, 8104), (3039, 7176), (3588, 6078), (4052, 5382)]