21009450

素因数分解:

$2^1\times 3^1\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1$

素因数の和:157

約数の個数: 192

約数和(自身を含む): 69424128

約数和(自身を除く): 48414678

約数列:

[1, 2, 3, 5, 6, 7, 10, 11, 14, 15, 17, 21, 22, 25, 30, 33, 34, 35, 42, 50, 51, 55, 66, 70, 75, 77, 85, 102, 105, 107, 110, 119, 150, 154, 165, 170, 175, 187, 210, 214, 231, 238, 255, 275, 321, 330, 350, 357, 374, 385, 425, 462, 510, 525, 535, 550, 561, 595, 642, 714, 749, 770, 825, 850, 935, 1050, 1070, 1122, 1155, 1177, 1190, 1275, 1309, 1498, 1605, 1650, 1785, 1819, 1870, 1925, 2247, 2310, 2354, 2550, 2618, 2675, 2805, 2975, 3210, 3531, 3570, 3638, 3745, 3850, 3927, 4494, 4675, 5350, 5457, 5610, 5775, 5885, 5950, 6545, 7062, 7490, 7854, 8025, 8239, 8925, 9095, 9350, 10914, 11235, 11550, 11770, 12733, 13090, 14025, 16050, 16478, 17655, 17850, 18190, 18725, 19635, 20009, 22470, 24717, 25466, 27285, 28050, 29425, 32725, 35310, 37450, 38199, 39270, 40018, 41195, 45475, 49434, 54570, 56175, 58850, 60027, 63665, 65450, 76398, 82390, 88275, 90950, 98175, 100045, 112350, 120054, 123585, 127330, 136425, 140063, 176550, 190995, 196350, 200090, 205975, 247170, 272850, 280126, 300135, 318325, 381990, 411950, 420189, 500225, 600270, 617925, 636650, 700315, 840378, 954975, 1000450, 1235850, 1400630, 1500675, 1909950, 2100945, 3001350, 3501575, 4201890, 7003150, 10504725, 21009450]

約数ペア:

[(1, 21009450), (2, 10504725), (3, 7003150), (5, 4201890), (6, 3501575), (7, 3001350), (10, 2100945), (11, 1909950), (14, 1500675), (15, 1400630), (17, 1235850), (21, 1000450), (22, 954975), (25, 840378), (30, 700315), (33, 636650), (34, 617925), (35, 600270), (42, 500225), (50, 420189), (51, 411950), (55, 381990), (66, 318325), (70, 300135), (75, 280126), (77, 272850), (85, 247170), (102, 205975), (105, 200090), (107, 196350), (110, 190995), (119, 176550), (150, 140063), (154, 136425), (165, 127330), (170, 123585), (175, 120054), (187, 112350), (210, 100045), (214, 98175), (231, 90950), (238, 88275), (255, 82390), (275, 76398), (321, 65450), (330, 63665), (350, 60027), (357, 58850), (374, 56175), (385, 54570), (425, 49434), (462, 45475), (510, 41195), (525, 40018), (535, 39270), (550, 38199), (561, 37450), (595, 35310), (642, 32725), (714, 29425), (749, 28050), (770, 27285), (825, 25466), (850, 24717), (935, 22470), (1050, 20009), (1070, 19635), (1122, 18725), (1155, 18190), (1177, 17850), (1190, 17655), (1275, 16478), (1309, 16050), (1498, 14025), (1605, 13090), (1650, 12733), (1785, 11770), (1819, 11550), (1870, 11235), (1925, 10914), (2247, 9350), (2310, 9095), (2354, 8925), (2550, 8239), (2618, 8025), (2675, 7854), (2805, 7490), (2975, 7062), (3210, 6545), (3531, 5950), (3570, 5885), (3638, 5775), (3745, 5610), (3850, 5457), (3927, 5350), (4494, 4675)]