21707304

素因数分解:

$2^3\times 3^1\times {\mathrm{79}}^1\times {\mathrm{107}}^2$

素因数の和:302

約数の個数: 48

約数和(自身を含む): 55473600

約数和(自身を除く): 33766296

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 79, 107, 158, 214, 237, 316, 321, 428, 474, 632, 642, 856, 948, 1284, 1896, 2568, 8453, 11449, 16906, 22898, 25359, 33812, 34347, 45796, 50718, 67624, 68694, 91592, 101436, 137388, 202872, 274776, 904471, 1808942, 2713413, 3617884, 5426826, 7235768, 10853652, 21707304]

約数ペア:

[(1, 21707304), (2, 10853652), (3, 7235768), (4, 5426826), (6, 3617884), (8, 2713413), (12, 1808942), (24, 904471), (79, 274776), (107, 202872), (158, 137388), (214, 101436), (237, 91592), (316, 68694), (321, 67624), (428, 50718), (474, 45796), (632, 34347), (642, 33812), (856, 25359), (948, 22898), (1284, 16906), (1896, 11449), (2568, 8453)]