21257082

素因数分解:

$2^1\times 3^2\times 7^3\times {\mathrm{11}}^1\times {\mathrm{313}}^1$

素因数の和:353

約数の個数: 96

約数和(自身を含む): 58780800

約数和(自身を除く): 37523718

約数列:

[1, 2, 3, 6, 7, 9, 11, 14, 18, 21, 22, 33, 42, 49, 63, 66, 77, 98, 99, 126, 147, 154, 198, 231, 294, 313, 343, 441, 462, 539, 626, 686, 693, 882, 939, 1029, 1078, 1386, 1617, 1878, 2058, 2191, 2817, 3087, 3234, 3443, 3773, 4382, 4851, 5634, 6174, 6573, 6886, 7546, 9702, 10329, 11319, 13146, 15337, 19719, 20658, 22638, 24101, 30674, 30987, 33957, 39438, 46011, 48202, 61974, 67914, 72303, 92022, 107359, 138033, 144606, 168707, 214718, 216909, 276066, 322077, 337414, 433818, 506121, 644154, 966231, 1012242, 1180949, 1518363, 1932462, 2361898, 3036726, 3542847, 7085694, 10628541, 21257082]

約数ペア:

[(1, 21257082), (2, 10628541), (3, 7085694), (6, 3542847), (7, 3036726), (9, 2361898), (11, 1932462), (14, 1518363), (18, 1180949), (21, 1012242), (22, 966231), (33, 644154), (42, 506121), (49, 433818), (63, 337414), (66, 322077), (77, 276066), (98, 216909), (99, 214718), (126, 168707), (147, 144606), (154, 138033), (198, 107359), (231, 92022), (294, 72303), (313, 67914), (343, 61974), (441, 48202), (462, 46011), (539, 39438), (626, 33957), (686, 30987), (693, 30674), (882, 24101), (939, 22638), (1029, 20658), (1078, 19719), (1386, 15337), (1617, 13146), (1878, 11319), (2058, 10329), (2191, 9702), (2817, 7546), (3087, 6886), (3234, 6573), (3443, 6174), (3773, 5634), (4382, 4851)]