21715650

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{107}}^1$

素因数の和:177

約数の個数: 144

約数和(自身を含む): 65808288

約数和(自身を除く): 44092638

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 25, 30, 33, 41, 45, 50, 55, 66, 75, 82, 90, 99, 107, 110, 123, 150, 165, 198, 205, 214, 225, 246, 275, 321, 330, 369, 410, 450, 451, 495, 535, 550, 615, 642, 738, 825, 902, 963, 990, 1025, 1070, 1177, 1230, 1353, 1605, 1650, 1845, 1926, 2050, 2255, 2354, 2475, 2675, 2706, 3075, 3210, 3531, 3690, 4059, 4387, 4510, 4815, 4950, 5350, 5885, 6150, 6765, 7062, 8025, 8118, 8774, 9225, 9630, 10593, 11275, 11770, 13161, 13530, 16050, 17655, 18450, 20295, 21186, 21935, 22550, 24075, 26322, 29425, 33825, 35310, 39483, 40590, 43870, 48150, 48257, 52965, 58850, 65805, 67650, 78966, 88275, 96514, 101475, 105930, 109675, 131610, 144771, 176550, 197415, 202950, 219350, 241285, 264825, 289542, 329025, 394830, 434313, 482570, 529650, 658050, 723855, 868626, 987075, 1206425, 1447710, 1974150, 2171565, 2412850, 3619275, 4343130, 7238550, 10857825, 21715650]

約数ペア:

[(1, 21715650), (2, 10857825), (3, 7238550), (5, 4343130), (6, 3619275), (9, 2412850), (10, 2171565), (11, 1974150), (15, 1447710), (18, 1206425), (22, 987075), (25, 868626), (30, 723855), (33, 658050), (41, 529650), (45, 482570), (50, 434313), (55, 394830), (66, 329025), (75, 289542), (82, 264825), (90, 241285), (99, 219350), (107, 202950), (110, 197415), (123, 176550), (150, 144771), (165, 131610), (198, 109675), (205, 105930), (214, 101475), (225, 96514), (246, 88275), (275, 78966), (321, 67650), (330, 65805), (369, 58850), (410, 52965), (450, 48257), (451, 48150), (495, 43870), (535, 40590), (550, 39483), (615, 35310), (642, 33825), (738, 29425), (825, 26322), (902, 24075), (963, 22550), (990, 21935), (1025, 21186), (1070, 20295), (1177, 18450), (1230, 17655), (1353, 16050), (1605, 13530), (1650, 13161), (1845, 11770), (1926, 11275), (2050, 10593), (2255, 9630), (2354, 9225), (2475, 8774), (2675, 8118), (2706, 8025), (3075, 7062), (3210, 6765), (3531, 6150), (3690, 5885), (4059, 5350), (4387, 4950), (4510, 4815)]