21950786

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1$

素因数の和:167

約数の個数: 64

約数和(自身を含む): 41803776

約数和(自身を除く): 19852990

約数列:

[1, 2, 11, 13, 22, 23, 26, 46, 47, 71, 94, 142, 143, 253, 286, 299, 506, 517, 598, 611, 781, 923, 1034, 1081, 1222, 1562, 1633, 1846, 2162, 3266, 3289, 3337, 6578, 6674, 6721, 10153, 11891, 13442, 14053, 17963, 20306, 21229, 23782, 28106, 35926, 36707, 42458, 43381, 73414, 76751, 86762, 153502, 154583, 233519, 309166, 467038, 477191, 844261, 954382, 997763, 1688522, 1995526, 10975393, 21950786]

約数ペア:

[(1, 21950786), (2, 10975393), (11, 1995526), (13, 1688522), (22, 997763), (23, 954382), (26, 844261), (46, 477191), (47, 467038), (71, 309166), (94, 233519), (142, 154583), (143, 153502), (253, 86762), (286, 76751), (299, 73414), (506, 43381), (517, 42458), (598, 36707), (611, 35926), (781, 28106), (923, 23782), (1034, 21229), (1081, 20306), (1222, 17963), (1562, 14053), (1633, 13442), (1846, 11891), (2162, 10153), (3266, 6721), (3289, 6674), (3337, 6578)]