21814672

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{317}}^1$

素因数の和:376

約数の個数: 80

約数和(自身を含む): 51103872

約数和(自身を除く): 29289200

約数列:

[1, 2, 4, 8, 11, 16, 17, 22, 23, 34, 44, 46, 68, 88, 92, 136, 176, 184, 187, 253, 272, 317, 368, 374, 391, 506, 634, 748, 782, 1012, 1268, 1496, 1564, 2024, 2536, 2992, 3128, 3487, 4048, 4301, 5072, 5389, 6256, 6974, 7291, 8602, 10778, 13948, 14582, 17204, 21556, 27896, 29164, 34408, 43112, 55792, 58328, 59279, 68816, 80201, 86224, 116656, 118558, 123947, 160402, 237116, 247894, 320804, 474232, 495788, 641608, 948464, 991576, 1283216, 1363417, 1983152, 2726834, 5453668, 10907336, 21814672]

約数ペア:

[(1, 21814672), (2, 10907336), (4, 5453668), (8, 2726834), (11, 1983152), (16, 1363417), (17, 1283216), (22, 991576), (23, 948464), (34, 641608), (44, 495788), (46, 474232), (68, 320804), (88, 247894), (92, 237116), (136, 160402), (176, 123947), (184, 118558), (187, 116656), (253, 86224), (272, 80201), (317, 68816), (368, 59279), (374, 58328), (391, 55792), (506, 43112), (634, 34408), (748, 29164), (782, 27896), (1012, 21556), (1268, 17204), (1496, 14582), (1564, 13948), (2024, 10778), (2536, 8602), (2992, 7291), (3128, 6974), (3487, 6256), (4048, 5389), (4301, 5072)]