21047070

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1$

素因数の和:150

約数の個数: 128

約数和(自身を含む): 59719680

約数和(自身を除く): 38672610

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 23, 30, 33, 46, 47, 55, 59, 66, 69, 94, 110, 115, 118, 138, 141, 165, 177, 230, 235, 253, 282, 295, 330, 345, 354, 470, 506, 517, 590, 649, 690, 705, 759, 885, 1034, 1081, 1265, 1298, 1357, 1410, 1518, 1551, 1770, 1947, 2162, 2530, 2585, 2714, 2773, 3102, 3243, 3245, 3795, 3894, 4071, 5170, 5405, 5546, 6486, 6490, 6785, 7590, 7755, 8142, 8319, 9735, 10810, 11891, 13570, 13865, 14927, 15510, 16215, 16638, 19470, 20355, 23782, 27730, 29854, 30503, 32430, 35673, 40710, 41595, 44781, 59455, 61006, 63779, 71346, 74635, 83190, 89562, 91509, 118910, 127558, 149270, 152515, 178365, 183018, 191337, 223905, 305030, 318895, 356730, 382674, 447810, 457545, 637790, 701569, 915090, 956685, 1403138, 1913370, 2104707, 3507845, 4209414, 7015690, 10523535, 21047070]

約数ペア:

[(1, 21047070), (2, 10523535), (3, 7015690), (5, 4209414), (6, 3507845), (10, 2104707), (11, 1913370), (15, 1403138), (22, 956685), (23, 915090), (30, 701569), (33, 637790), (46, 457545), (47, 447810), (55, 382674), (59, 356730), (66, 318895), (69, 305030), (94, 223905), (110, 191337), (115, 183018), (118, 178365), (138, 152515), (141, 149270), (165, 127558), (177, 118910), (230, 91509), (235, 89562), (253, 83190), (282, 74635), (295, 71346), (330, 63779), (345, 61006), (354, 59455), (470, 44781), (506, 41595), (517, 40710), (590, 35673), (649, 32430), (690, 30503), (705, 29854), (759, 27730), (885, 23782), (1034, 20355), (1081, 19470), (1265, 16638), (1298, 16215), (1357, 15510), (1410, 14927), (1518, 13865), (1551, 13570), (1770, 11891), (1947, 10810), (2162, 9735), (2530, 8319), (2585, 8142), (2714, 7755), (2773, 7590), (3102, 6785), (3243, 6490), (3245, 6486), (3795, 5546), (3894, 5405), (4071, 5170)]