21690912

素因数分解:

$2^5\times 3^1\times {\mathrm{17}}^1\times {\mathrm{13291}}^1$

素因数の和:13321

約数の個数: 48

約数和(自身を含む): 60292512

約数和(自身を除く): 38601600

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 32, 34, 48, 51, 68, 96, 102, 136, 204, 272, 408, 544, 816, 1632, 13291, 26582, 39873, 53164, 79746, 106328, 159492, 212656, 225947, 318984, 425312, 451894, 637968, 677841, 903788, 1275936, 1355682, 1807576, 2711364, 3615152, 5422728, 7230304, 10845456, 21690912]

約数ペア:

[(1, 21690912), (2, 10845456), (3, 7230304), (4, 5422728), (6, 3615152), (8, 2711364), (12, 1807576), (16, 1355682), (17, 1275936), (24, 903788), (32, 677841), (34, 637968), (48, 451894), (51, 425312), (68, 318984), (96, 225947), (102, 212656), (136, 159492), (204, 106328), (272, 79746), (408, 53164), (544, 39873), (816, 26582), (1632, 13291)]