21851712

素因数分解:

$2^6\times 3^2\times {\mathrm{59}}^1\times {\mathrm{643}}^1$

素因数の和:720

約数の個数: 84

約数和(自身を含む): 63794640

約数和(自身を除く): 41942928

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 59, 64, 72, 96, 118, 144, 177, 192, 236, 288, 354, 472, 531, 576, 643, 708, 944, 1062, 1286, 1416, 1888, 1929, 2124, 2572, 2832, 3776, 3858, 4248, 5144, 5664, 5787, 7716, 8496, 10288, 11328, 11574, 15432, 16992, 20576, 23148, 30864, 33984, 37937, 41152, 46296, 61728, 75874, 92592, 113811, 123456, 151748, 185184, 227622, 303496, 341433, 370368, 455244, 606992, 682866, 910488, 1213984, 1365732, 1820976, 2427968, 2731464, 3641952, 5462928, 7283904, 10925856, 21851712]

約数ペア:

[(1, 21851712), (2, 10925856), (3, 7283904), (4, 5462928), (6, 3641952), (8, 2731464), (9, 2427968), (12, 1820976), (16, 1365732), (18, 1213984), (24, 910488), (32, 682866), (36, 606992), (48, 455244), (59, 370368), (64, 341433), (72, 303496), (96, 227622), (118, 185184), (144, 151748), (177, 123456), (192, 113811), (236, 92592), (288, 75874), (354, 61728), (472, 46296), (531, 41152), (576, 37937), (643, 33984), (708, 30864), (944, 23148), (1062, 20576), (1286, 16992), (1416, 15432), (1888, 11574), (1929, 11328), (2124, 10288), (2572, 8496), (2832, 7716), (3776, 5787), (3858, 5664), (4248, 5144)]