21000746459

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{359}}^1$

素因数の和:513

約数の個数: 128

約数和(自身を含む): 30457036800

約数和(自身を除く): 9456290341

約数列:

[1, 7, 11, 17, 23, 29, 67, 77, 119, 161, 187, 203, 253, 319, 359, 391, 469, 493, 667, 737, 1139, 1309, 1541, 1771, 1943, 2233, 2513, 2737, 3451, 3949, 4301, 4669, 5159, 5423, 6103, 7337, 7973, 8257, 10411, 10787, 11339, 12529, 13601, 16951, 21373, 24053, 26197, 27643, 30107, 33031, 37961, 42721, 44689, 51359, 57799, 67133, 72877, 79373, 87703, 90827, 114521, 118657, 124729, 140369, 149611, 168371, 176987, 183379, 231217, 239453, 264583, 288167, 312823, 363341, 408901, 469931, 491579, 553219, 635789, 697537, 759713, 801647, 873103, 982583, 1238909, 1544059, 1676171, 1852081, 1946857, 2017169, 2543387, 2633983, 2862307, 3441053, 3872533, 4070701, 4497911, 4882759, 5317991, 6085409, 7672907, 8356843, 9404723, 10808413, 11858129, 13627999, 16043351, 18437881, 28494907, 31485377, 42597863, 44777711, 53710349, 58497901, 65833061, 83006903, 103451953, 112303457, 130439419, 176476861, 272736967, 313443977, 724163671, 913075933, 1235338027, 1909158769, 3000106637, 21000746459]

約数ペア:

[(1, 21000746459), (7, 3000106637), (11, 1909158769), (17, 1235338027), (23, 913075933), (29, 724163671), (67, 313443977), (77, 272736967), (119, 176476861), (161, 130439419), (187, 112303457), (203, 103451953), (253, 83006903), (319, 65833061), (359, 58497901), (391, 53710349), (469, 44777711), (493, 42597863), (667, 31485377), (737, 28494907), (1139, 18437881), (1309, 16043351), (1541, 13627999), (1771, 11858129), (1943, 10808413), (2233, 9404723), (2513, 8356843), (2737, 7672907), (3451, 6085409), (3949, 5317991), (4301, 4882759), (4669, 4497911), (5159, 4070701), (5423, 3872533), (6103, 3441053), (7337, 2862307), (7973, 2633983), (8257, 2543387), (10411, 2017169), (10787, 1946857), (11339, 1852081), (12529, 1676171), (13601, 1544059), (16951, 1238909), (21373, 982583), (24053, 873103), (26197, 801647), (27643, 759713), (30107, 697537), (33031, 635789), (37961, 553219), (42721, 491579), (44689, 469931), (51359, 408901), (57799, 363341), (67133, 312823), (72877, 288167), (79373, 264583), (87703, 239453), (90827, 231217), (114521, 183379), (118657, 176987), (124729, 168371), (140369, 149611)]