21493350

素因数分解:

$2^1\times 3^5\times 5^2\times {\mathrm{29}}^1\times {\mathrm{61}}^1$

素因数の和:117

約数の個数: 144

約数和(自身を含む): 62964720

約数和(自身を除く): 41471370

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 27, 29, 30, 45, 50, 54, 58, 61, 75, 81, 87, 90, 122, 135, 145, 150, 162, 174, 183, 225, 243, 261, 270, 290, 305, 366, 405, 435, 450, 486, 522, 549, 610, 675, 725, 783, 810, 870, 915, 1098, 1215, 1305, 1350, 1450, 1525, 1566, 1647, 1769, 1830, 2025, 2175, 2349, 2430, 2610, 2745, 3050, 3294, 3538, 3915, 4050, 4350, 4575, 4698, 4941, 5307, 5490, 6075, 6525, 7047, 7830, 8235, 8845, 9150, 9882, 10614, 11745, 12150, 13050, 13725, 14094, 14823, 15921, 16470, 17690, 19575, 23490, 24705, 26535, 27450, 29646, 31842, 35235, 39150, 41175, 44225, 47763, 49410, 53070, 58725, 70470, 74115, 79605, 82350, 88450, 95526, 117450, 123525, 132675, 143289, 148230, 159210, 176175, 238815, 247050, 265350, 286578, 352350, 370575, 398025, 429867, 477630, 716445, 741150, 796050, 859734, 1194075, 1432890, 2149335, 2388150, 3582225, 4298670, 7164450, 10746675, 21493350]

約数ペア:

[(1, 21493350), (2, 10746675), (3, 7164450), (5, 4298670), (6, 3582225), (9, 2388150), (10, 2149335), (15, 1432890), (18, 1194075), (25, 859734), (27, 796050), (29, 741150), (30, 716445), (45, 477630), (50, 429867), (54, 398025), (58, 370575), (61, 352350), (75, 286578), (81, 265350), (87, 247050), (90, 238815), (122, 176175), (135, 159210), (145, 148230), (150, 143289), (162, 132675), (174, 123525), (183, 117450), (225, 95526), (243, 88450), (261, 82350), (270, 79605), (290, 74115), (305, 70470), (366, 58725), (405, 53070), (435, 49410), (450, 47763), (486, 44225), (522, 41175), (549, 39150), (610, 35235), (675, 31842), (725, 29646), (783, 27450), (810, 26535), (870, 24705), (915, 23490), (1098, 19575), (1215, 17690), (1305, 16470), (1350, 15921), (1450, 14823), (1525, 14094), (1566, 13725), (1647, 13050), (1769, 12150), (1830, 11745), (2025, 10614), (2175, 9882), (2349, 9150), (2430, 8845), (2610, 8235), (2745, 7830), (3050, 7047), (3294, 6525), (3538, 6075), (3915, 5490), (4050, 5307), (4350, 4941), (4575, 4698)]