21159908

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{103}}^1$

素因数の和:177

約数の個数: 96

約数和(自身を含む): 50319360

約数和(自身を除く): 29159452

約数列:

[1, 2, 4, 7, 11, 14, 22, 23, 28, 29, 44, 46, 58, 77, 92, 103, 116, 154, 161, 203, 206, 253, 308, 319, 322, 406, 412, 506, 638, 644, 667, 721, 812, 1012, 1133, 1276, 1334, 1442, 1771, 2233, 2266, 2369, 2668, 2884, 2987, 3542, 4466, 4532, 4669, 4738, 5974, 7084, 7337, 7931, 8932, 9338, 9476, 11948, 14674, 15862, 16583, 18676, 20909, 26059, 29348, 31724, 32857, 33166, 41818, 51359, 52118, 65714, 66332, 68701, 83636, 102718, 104236, 131428, 137402, 182413, 205436, 229999, 274804, 364826, 459998, 480907, 729652, 755711, 919996, 961814, 1511422, 1923628, 3022844, 5289977, 10579954, 21159908]

約数ペア:

[(1, 21159908), (2, 10579954), (4, 5289977), (7, 3022844), (11, 1923628), (14, 1511422), (22, 961814), (23, 919996), (28, 755711), (29, 729652), (44, 480907), (46, 459998), (58, 364826), (77, 274804), (92, 229999), (103, 205436), (116, 182413), (154, 137402), (161, 131428), (203, 104236), (206, 102718), (253, 83636), (308, 68701), (319, 66332), (322, 65714), (406, 52118), (412, 51359), (506, 41818), (638, 33166), (644, 32857), (667, 31724), (721, 29348), (812, 26059), (1012, 20909), (1133, 18676), (1276, 16583), (1334, 15862), (1442, 14674), (1771, 11948), (2233, 9476), (2266, 9338), (2369, 8932), (2668, 7931), (2884, 7337), (2987, 7084), (3542, 5974), (4466, 4738), (4532, 4669)]