21250812

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{809}}^1$

素因数の和:1026

約数の個数: 48

約数和(自身を含む): 54432000

約数和(自身を除く): 33181188

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 132, 199, 398, 597, 796, 809, 1194, 1618, 2189, 2388, 2427, 3236, 4378, 4854, 6567, 8756, 8899, 9708, 13134, 17798, 26268, 26697, 35596, 53394, 106788, 160991, 321982, 482973, 643964, 965946, 1770901, 1931892, 3541802, 5312703, 7083604, 10625406, 21250812]

約数ペア:

[(1, 21250812), (2, 10625406), (3, 7083604), (4, 5312703), (6, 3541802), (11, 1931892), (12, 1770901), (22, 965946), (33, 643964), (44, 482973), (66, 321982), (132, 160991), (199, 106788), (398, 53394), (597, 35596), (796, 26697), (809, 26268), (1194, 17798), (1618, 13134), (2189, 9708), (2388, 8899), (2427, 8756), (3236, 6567), (4378, 4854)]