21874545

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{107}}^1$

素因数の和:195

約数の個数: 96

約数和(自身を含む): 48522240

約数和(自身を除く): 26647695

約数列:

[1, 3, 5, 7, 9, 11, 15, 21, 33, 35, 45, 55, 59, 63, 77, 99, 105, 107, 165, 177, 231, 295, 315, 321, 385, 413, 495, 531, 535, 649, 693, 749, 885, 963, 1155, 1177, 1239, 1605, 1947, 2065, 2247, 2655, 3245, 3465, 3531, 3717, 3745, 4543, 4815, 5841, 5885, 6195, 6313, 6741, 8239, 9735, 10593, 11235, 13629, 17655, 18585, 18939, 22715, 24717, 29205, 31565, 33705, 40887, 41195, 44191, 52965, 56817, 68145, 69443, 74151, 94695, 123585, 132573, 204435, 208329, 220955, 284085, 347215, 370755, 397719, 486101, 624987, 662865, 1041645, 1458303, 1988595, 2430505, 3124935, 4374909, 7291515, 21874545]

約数ペア:

[(1, 21874545), (3, 7291515), (5, 4374909), (7, 3124935), (9, 2430505), (11, 1988595), (15, 1458303), (21, 1041645), (33, 662865), (35, 624987), (45, 486101), (55, 397719), (59, 370755), (63, 347215), (77, 284085), (99, 220955), (105, 208329), (107, 204435), (165, 132573), (177, 123585), (231, 94695), (295, 74151), (315, 69443), (321, 68145), (385, 56817), (413, 52965), (495, 44191), (531, 41195), (535, 40887), (649, 33705), (693, 31565), (749, 29205), (885, 24717), (963, 22715), (1155, 18939), (1177, 18585), (1239, 17655), (1605, 13629), (1947, 11235), (2065, 10593), (2247, 9735), (2655, 8239), (3245, 6741), (3465, 6313), (3531, 6195), (3717, 5885), (3745, 5841), (4543, 4815)]