21960400

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1$

素因数の和:90

約数の個数: 240

約数和(自身を含む): 70852608

約数和(自身を除く): 48892208

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 23, 25, 28, 31, 35, 40, 44, 46, 50, 55, 56, 62, 70, 77, 80, 88, 92, 100, 110, 112, 115, 124, 140, 154, 155, 161, 175, 176, 184, 200, 217, 220, 230, 248, 253, 275, 280, 308, 310, 322, 341, 350, 368, 385, 400, 434, 440, 460, 496, 506, 550, 560, 575, 616, 620, 644, 682, 700, 713, 770, 775, 805, 868, 880, 920, 1012, 1085, 1100, 1150, 1232, 1240, 1265, 1288, 1364, 1400, 1426, 1540, 1550, 1610, 1705, 1736, 1771, 1840, 1925, 2024, 2170, 2200, 2300, 2387, 2480, 2530, 2576, 2728, 2800, 2852, 3080, 3100, 3220, 3410, 3472, 3542, 3565, 3850, 4025, 4048, 4340, 4400, 4600, 4774, 4991, 5060, 5425, 5456, 5704, 6160, 6200, 6325, 6440, 6820, 7084, 7130, 7700, 7843, 8050, 8525, 8680, 8855, 9200, 9548, 9982, 10120, 10850, 11408, 11935, 12400, 12650, 12880, 13640, 14168, 14260, 15400, 15686, 16100, 17050, 17360, 17710, 17825, 19096, 19964, 20240, 21700, 23870, 24955, 25300, 27280, 28336, 28520, 30800, 31372, 32200, 34100, 35420, 35650, 38192, 39215, 39928, 43400, 44275, 47740, 49910, 50600, 54901, 57040, 59675, 62744, 64400, 68200, 70840, 71300, 78430, 79856, 86800, 88550, 95480, 99820, 101200, 109802, 119350, 124775, 125488, 136400, 141680, 142600, 156860, 177100, 190960, 196075, 199640, 219604, 238700, 249550, 274505, 285200, 313720, 354200, 392150, 399280, 439208, 477400, 499100, 549010, 627440, 708400, 784300, 878416, 954800, 998200, 1098020, 1372525, 1568600, 1996400, 2196040, 2745050, 3137200, 4392080, 5490100, 10980200, 21960400]

約数ペア:

[(1, 21960400), (2, 10980200), (4, 5490100), (5, 4392080), (7, 3137200), (8, 2745050), (10, 2196040), (11, 1996400), (14, 1568600), (16, 1372525), (20, 1098020), (22, 998200), (23, 954800), (25, 878416), (28, 784300), (31, 708400), (35, 627440), (40, 549010), (44, 499100), (46, 477400), (50, 439208), (55, 399280), (56, 392150), (62, 354200), (70, 313720), (77, 285200), (80, 274505), (88, 249550), (92, 238700), (100, 219604), (110, 199640), (112, 196075), (115, 190960), (124, 177100), (140, 156860), (154, 142600), (155, 141680), (161, 136400), (175, 125488), (176, 124775), (184, 119350), (200, 109802), (217, 101200), (220, 99820), (230, 95480), (248, 88550), (253, 86800), (275, 79856), (280, 78430), (308, 71300), (310, 70840), (322, 68200), (341, 64400), (350, 62744), (368, 59675), (385, 57040), (400, 54901), (434, 50600), (440, 49910), (460, 47740), (496, 44275), (506, 43400), (550, 39928), (560, 39215), (575, 38192), (616, 35650), (620, 35420), (644, 34100), (682, 32200), (700, 31372), (713, 30800), (770, 28520), (775, 28336), (805, 27280), (868, 25300), (880, 24955), (920, 23870), (1012, 21700), (1085, 20240), (1100, 19964), (1150, 19096), (1232, 17825), (1240, 17710), (1265, 17360), (1288, 17050), (1364, 16100), (1400, 15686), (1426, 15400), (1540, 14260), (1550, 14168), (1610, 13640), (1705, 12880), (1736, 12650), (1771, 12400), (1840, 11935), (1925, 11408), (2024, 10850), (2170, 10120), (2200, 9982), (2300, 9548), (2387, 9200), (2480, 8855), (2530, 8680), (2576, 8525), (2728, 8050), (2800, 7843), (2852, 7700), (3080, 7130), (3100, 7084), (3220, 6820), (3410, 6440), (3472, 6325), (3542, 6200), (3565, 6160), (3850, 5704), (4025, 5456), (4048, 5425), (4340, 5060), (4400, 4991), (4600, 4774)]