21898002

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{211}}^1\times {\mathrm{353}}^1$

素因数の和:583

約数の個数: 48

約数和(自身を含む): 51332832

約数和(自身を除く): 29434830

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 211, 294, 353, 422, 633, 706, 1059, 1266, 1477, 2118, 2471, 2954, 4431, 4942, 7413, 8862, 10339, 14826, 17297, 20678, 31017, 34594, 51891, 62034, 74483, 103782, 148966, 223449, 446898, 521381, 1042762, 1564143, 3128286, 3649667, 7299334, 10949001, 21898002]

約数ペア:

[(1, 21898002), (2, 10949001), (3, 7299334), (6, 3649667), (7, 3128286), (14, 1564143), (21, 1042762), (42, 521381), (49, 446898), (98, 223449), (147, 148966), (211, 103782), (294, 74483), (353, 62034), (422, 51891), (633, 34594), (706, 31017), (1059, 20678), (1266, 17297), (1477, 14826), (2118, 10339), (2471, 8862), (2954, 7413), (4431, 4942)]