21396375

素因数分解:

$3^2\times 5^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1$

素因数の和:71

約数の個数: 192

約数和(自身を含む): 54512640

約数和(自身を除く): 33116265

約数列:

[1, 3, 5, 7, 9, 11, 13, 15, 19, 21, 25, 33, 35, 39, 45, 55, 57, 63, 65, 75, 77, 91, 95, 99, 105, 117, 125, 133, 143, 165, 171, 175, 195, 209, 225, 231, 247, 273, 275, 285, 315, 325, 375, 385, 399, 429, 455, 475, 495, 525, 585, 627, 665, 693, 715, 741, 819, 825, 855, 875, 975, 1001, 1045, 1125, 1155, 1197, 1235, 1287, 1365, 1375, 1425, 1463, 1575, 1625, 1729, 1881, 1925, 1995, 2145, 2223, 2275, 2375, 2475, 2625, 2717, 2925, 3003, 3135, 3325, 3465, 3575, 3705, 4095, 4125, 4275, 4389, 4875, 5005, 5187, 5225, 5775, 5985, 6175, 6435, 6825, 7125, 7315, 7875, 8151, 8645, 9009, 9405, 9625, 9975, 10725, 11115, 11375, 12375, 13167, 13585, 14625, 15015, 15561, 15675, 16625, 17325, 17875, 18525, 19019, 20475, 21375, 21945, 24453, 25025, 25935, 26125, 28875, 29925, 30875, 32175, 34125, 36575, 40755, 43225, 45045, 47025, 49875, 53625, 55575, 57057, 65835, 67925, 75075, 77805, 78375, 86625, 92625, 95095, 102375, 109725, 122265, 125125, 129675, 149625, 160875, 171171, 182875, 203775, 216125, 225225, 235125, 277875, 285285, 329175, 339625, 375375, 389025, 475475, 548625, 611325, 648375, 855855, 1018875, 1126125, 1426425, 1645875, 1945125, 2377375, 3056625, 4279275, 7132125, 21396375]

約数ペア:

[(1, 21396375), (3, 7132125), (5, 4279275), (7, 3056625), (9, 2377375), (11, 1945125), (13, 1645875), (15, 1426425), (19, 1126125), (21, 1018875), (25, 855855), (33, 648375), (35, 611325), (39, 548625), (45, 475475), (55, 389025), (57, 375375), (63, 339625), (65, 329175), (75, 285285), (77, 277875), (91, 235125), (95, 225225), (99, 216125), (105, 203775), (117, 182875), (125, 171171), (133, 160875), (143, 149625), (165, 129675), (171, 125125), (175, 122265), (195, 109725), (209, 102375), (225, 95095), (231, 92625), (247, 86625), (273, 78375), (275, 77805), (285, 75075), (315, 67925), (325, 65835), (375, 57057), (385, 55575), (399, 53625), (429, 49875), (455, 47025), (475, 45045), (495, 43225), (525, 40755), (585, 36575), (627, 34125), (665, 32175), (693, 30875), (715, 29925), (741, 28875), (819, 26125), (825, 25935), (855, 25025), (875, 24453), (975, 21945), (1001, 21375), (1045, 20475), (1125, 19019), (1155, 18525), (1197, 17875), (1235, 17325), (1287, 16625), (1365, 15675), (1375, 15561), (1425, 15015), (1463, 14625), (1575, 13585), (1625, 13167), (1729, 12375), (1881, 11375), (1925, 11115), (1995, 10725), (2145, 9975), (2223, 9625), (2275, 9405), (2375, 9009), (2475, 8645), (2625, 8151), (2717, 7875), (2925, 7315), (3003, 7125), (3135, 6825), (3325, 6435), (3465, 6175), (3575, 5985), (3705, 5775), (4095, 5225), (4125, 5187), (4275, 5005), (4389, 4875)]