21939148

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{163}}^1$

素因数の和:227

約数の個数: 96

約数和(自身を含む): 52899840

約数和(自身を除く): 30960692

約数列:

[1, 2, 4, 7, 11, 14, 19, 22, 23, 28, 38, 44, 46, 76, 77, 92, 133, 154, 161, 163, 209, 253, 266, 308, 322, 326, 418, 437, 506, 532, 644, 652, 836, 874, 1012, 1141, 1463, 1748, 1771, 1793, 2282, 2926, 3059, 3097, 3542, 3586, 3749, 4564, 4807, 5852, 6118, 6194, 7084, 7172, 7498, 9614, 12236, 12388, 12551, 14996, 19228, 21679, 25102, 26243, 33649, 34067, 41239, 43358, 50204, 52486, 67298, 68134, 71231, 82478, 86716, 104972, 134596, 136268, 142462, 164956, 238469, 284924, 288673, 476938, 498617, 577346, 783541, 953876, 997234, 1154692, 1567082, 1994468, 3134164, 5484787, 10969574, 21939148]

約数ペア:

[(1, 21939148), (2, 10969574), (4, 5484787), (7, 3134164), (11, 1994468), (14, 1567082), (19, 1154692), (22, 997234), (23, 953876), (28, 783541), (38, 577346), (44, 498617), (46, 476938), (76, 288673), (77, 284924), (92, 238469), (133, 164956), (154, 142462), (161, 136268), (163, 134596), (209, 104972), (253, 86716), (266, 82478), (308, 71231), (322, 68134), (326, 67298), (418, 52486), (437, 50204), (506, 43358), (532, 41239), (644, 34067), (652, 33649), (836, 26243), (874, 25102), (1012, 21679), (1141, 19228), (1463, 14996), (1748, 12551), (1771, 12388), (1793, 12236), (2282, 9614), (2926, 7498), (3059, 7172), (3097, 7084), (3542, 6194), (3586, 6118), (3749, 5852), (4564, 4807)]