21084076816

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{127037}}^1$

素因数の和:127120

約数の個数: 80

約数和(自身を含む): 47636201088

約数和(自身を除く): 26552124272

約数列:

[1, 2, 4, 8, 11, 16, 22, 23, 41, 44, 46, 82, 88, 92, 164, 176, 184, 253, 328, 368, 451, 506, 656, 902, 943, 1012, 1804, 1886, 2024, 3608, 3772, 4048, 7216, 7544, 10373, 15088, 20746, 41492, 82984, 127037, 165968, 254074, 508148, 1016296, 1397407, 2032592, 2794814, 2921851, 5208517, 5589628, 5843702, 10417034, 11179256, 11687404, 20834068, 22358512, 23374808, 32140361, 41668136, 46749616, 57293687, 64280722, 83336272, 114587374, 119795891, 128561444, 229174748, 239591782, 257122888, 458349496, 479183564, 514245776, 916698992, 958367128, 1317754801, 1916734256, 2635509602, 5271019204, 10542038408, 21084076816]

約数ペア:

[(1, 21084076816), (2, 10542038408), (4, 5271019204), (8, 2635509602), (11, 1916734256), (16, 1317754801), (22, 958367128), (23, 916698992), (41, 514245776), (44, 479183564), (46, 458349496), (82, 257122888), (88, 239591782), (92, 229174748), (164, 128561444), (176, 119795891), (184, 114587374), (253, 83336272), (328, 64280722), (368, 57293687), (451, 46749616), (506, 41668136), (656, 32140361), (902, 23374808), (943, 22358512), (1012, 20834068), (1804, 11687404), (1886, 11179256), (2024, 10417034), (3608, 5843702), (3772, 5589628), (4048, 5208517), (7216, 2921851), (7544, 2794814), (10373, 2032592), (15088, 1397407), (20746, 1016296), (41492, 508148), (82984, 254074), (127037, 165968)]