21977328

素因数分解:

$2^4\times 3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1171}}^1$

素因数の和:1222

約数の個数: 80

約数和(自身を含む): 62781696

約数和(自身を除く): 40804368

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 23, 24, 34, 46, 48, 51, 68, 69, 92, 102, 136, 138, 184, 204, 272, 276, 368, 391, 408, 552, 782, 816, 1104, 1171, 1173, 1564, 2342, 2346, 3128, 3513, 4684, 4692, 6256, 7026, 9368, 9384, 14052, 18736, 18768, 19907, 26933, 28104, 39814, 53866, 56208, 59721, 79628, 80799, 107732, 119442, 159256, 161598, 215464, 238884, 318512, 323196, 430928, 457861, 477768, 646392, 915722, 955536, 1292784, 1373583, 1831444, 2747166, 3662888, 5494332, 7325776, 10988664, 21977328]

約数ペア:

[(1, 21977328), (2, 10988664), (3, 7325776), (4, 5494332), (6, 3662888), (8, 2747166), (12, 1831444), (16, 1373583), (17, 1292784), (23, 955536), (24, 915722), (34, 646392), (46, 477768), (48, 457861), (51, 430928), (68, 323196), (69, 318512), (92, 238884), (102, 215464), (136, 161598), (138, 159256), (184, 119442), (204, 107732), (272, 80799), (276, 79628), (368, 59721), (391, 56208), (408, 53866), (552, 39814), (782, 28104), (816, 26933), (1104, 19907), (1171, 18768), (1173, 18736), (1564, 14052), (2342, 9384), (2346, 9368), (3128, 7026), (3513, 6256), (4684, 4692)]