21825804

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1$

素因数の和:140

約数の個数: 192

約数和(自身を含む): 72253440

約数和(自身を除く): 50427636

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 13, 14, 21, 22, 23, 26, 28, 33, 39, 42, 44, 46, 52, 66, 69, 77, 78, 79, 84, 91, 92, 132, 138, 143, 154, 156, 158, 161, 182, 231, 237, 253, 273, 276, 286, 299, 308, 316, 322, 364, 429, 462, 474, 483, 506, 546, 553, 572, 598, 644, 759, 858, 869, 897, 924, 948, 966, 1001, 1012, 1027, 1092, 1106, 1196, 1518, 1659, 1716, 1738, 1771, 1794, 1817, 1932, 2002, 2054, 2093, 2212, 2607, 3003, 3036, 3081, 3289, 3318, 3476, 3542, 3588, 3634, 4004, 4108, 4186, 5214, 5313, 5451, 6006, 6083, 6162, 6279, 6578, 6636, 7084, 7189, 7268, 8372, 9867, 10428, 10626, 10902, 11297, 12012, 12166, 12324, 12558, 12719, 13156, 14378, 18249, 19734, 19987, 21252, 21567, 21804, 22594, 23023, 23621, 24332, 25116, 25438, 28756, 33891, 36498, 38157, 39468, 39974, 43134, 45188, 46046, 47242, 50876, 59961, 67782, 69069, 70863, 72996, 76314, 79079, 79948, 86268, 92092, 94484, 119922, 135564, 138138, 139909, 141726, 152628, 158158, 165347, 237237, 239844, 259831, 276276, 279818, 283452, 316316, 330694, 419727, 474474, 496041, 519662, 559636, 661388, 779493, 839454, 948948, 992082, 1039324, 1558986, 1678908, 1818817, 1984164, 3117972, 3637634, 5456451, 7275268, 10912902, 21825804]

約数ペア:

[(1, 21825804), (2, 10912902), (3, 7275268), (4, 5456451), (6, 3637634), (7, 3117972), (11, 1984164), (12, 1818817), (13, 1678908), (14, 1558986), (21, 1039324), (22, 992082), (23, 948948), (26, 839454), (28, 779493), (33, 661388), (39, 559636), (42, 519662), (44, 496041), (46, 474474), (52, 419727), (66, 330694), (69, 316316), (77, 283452), (78, 279818), (79, 276276), (84, 259831), (91, 239844), (92, 237237), (132, 165347), (138, 158158), (143, 152628), (154, 141726), (156, 139909), (158, 138138), (161, 135564), (182, 119922), (231, 94484), (237, 92092), (253, 86268), (273, 79948), (276, 79079), (286, 76314), (299, 72996), (308, 70863), (316, 69069), (322, 67782), (364, 59961), (429, 50876), (462, 47242), (474, 46046), (483, 45188), (506, 43134), (546, 39974), (553, 39468), (572, 38157), (598, 36498), (644, 33891), (759, 28756), (858, 25438), (869, 25116), (897, 24332), (924, 23621), (948, 23023), (966, 22594), (1001, 21804), (1012, 21567), (1027, 21252), (1092, 19987), (1106, 19734), (1196, 18249), (1518, 14378), (1659, 13156), (1716, 12719), (1738, 12558), (1771, 12324), (1794, 12166), (1817, 12012), (1932, 11297), (2002, 10902), (2054, 10626), (2093, 10428), (2212, 9867), (2607, 8372), (3003, 7268), (3036, 7189), (3081, 7084), (3289, 6636), (3318, 6578), (3476, 6279), (3542, 6162), (3588, 6083), (3634, 6006), (4004, 5451), (4108, 5313), (4186, 5214)]