21111498

素因数分解:

$2^1\times 3^2\times {\mathrm{59}}^1\times {\mathrm{103}}^1\times {\mathrm{193}}^1$

素因数の和:363

約数の個数: 48

約数和(自身を含む): 47211840

約数和(自身を除く): 26100342

約数列:

[1, 2, 3, 6, 9, 18, 59, 103, 118, 177, 193, 206, 309, 354, 386, 531, 579, 618, 927, 1062, 1158, 1737, 1854, 3474, 6077, 11387, 12154, 18231, 19879, 22774, 34161, 36462, 39758, 54693, 59637, 68322, 102483, 109386, 119274, 178911, 204966, 357822, 1172861, 2345722, 3518583, 7037166, 10555749, 21111498]

約数ペア:

[(1, 21111498), (2, 10555749), (3, 7037166), (6, 3518583), (9, 2345722), (18, 1172861), (59, 357822), (103, 204966), (118, 178911), (177, 119274), (193, 109386), (206, 102483), (309, 68322), (354, 59637), (386, 54693), (531, 39758), (579, 36462), (618, 34161), (927, 22774), (1062, 19879), (1158, 18231), (1737, 12154), (1854, 11387), (3474, 6077)]