21992202008

素因数分解:

$2^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{3137}}^1\times {\mathrm{5443}}^1$

素因数の和:8616

約数の個数: 64

約数和(自身を含む): 49199823360

約数和(自身を除く): 27207621352

約数列:

[1, 2, 4, 7, 8, 14, 23, 28, 46, 56, 92, 161, 184, 322, 644, 1288, 3137, 5443, 6274, 10886, 12548, 21772, 21959, 25096, 38101, 43544, 43918, 72151, 76202, 87836, 125189, 144302, 152404, 175672, 250378, 288604, 304808, 500756, 505057, 577208, 876323, 1001512, 1010114, 1752646, 2020228, 3505292, 4040456, 7010584, 17074691, 34149382, 68298764, 119522837, 136597528, 239045674, 392717893, 478091348, 785435786, 956182696, 1570871572, 2749025251, 3141743144, 5498050502, 10996101004, 21992202008]

約数ペア:

[(1, 21992202008), (2, 10996101004), (4, 5498050502), (7, 3141743144), (8, 2749025251), (14, 1570871572), (23, 956182696), (28, 785435786), (46, 478091348), (56, 392717893), (92, 239045674), (161, 136597528), (184, 119522837), (322, 68298764), (644, 34149382), (1288, 17074691), (3137, 7010584), (5443, 4040456), (6274, 3505292), (10886, 2020228), (12548, 1752646), (21772, 1010114), (21959, 1001512), (25096, 876323), (38101, 577208), (43544, 505057), (43918, 500756), (72151, 304808), (76202, 288604), (87836, 250378), (125189, 175672), (144302, 152404)]