21304962

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{353}}^1\times {\mathrm{479}}^1$

素因数の和:847

約数の個数: 48

約数和(自身を含む): 53015040

約数和(自身を除く): 31710078

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 353, 479, 706, 958, 1059, 1437, 2118, 2471, 2874, 3177, 3353, 4311, 4942, 6354, 6706, 7413, 8622, 10059, 14826, 20118, 22239, 30177, 44478, 60354, 169087, 338174, 507261, 1014522, 1183609, 1521783, 2367218, 3043566, 3550827, 7101654, 10652481, 21304962]

約数ペア:

[(1, 21304962), (2, 10652481), (3, 7101654), (6, 3550827), (7, 3043566), (9, 2367218), (14, 1521783), (18, 1183609), (21, 1014522), (42, 507261), (63, 338174), (126, 169087), (353, 60354), (479, 44478), (706, 30177), (958, 22239), (1059, 20118), (1437, 14826), (2118, 10059), (2471, 8622), (2874, 7413), (3177, 6706), (3353, 6354), (4311, 4942)]