21444224

素因数分解:

$2^7\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{109}}^1$

素因数の和:205

約数の個数: 64

約数和(自身を含む): 45441000

約数和(自身を除く): 23996776

約数列:

[1, 2, 4, 8, 16, 29, 32, 53, 58, 64, 106, 109, 116, 128, 212, 218, 232, 424, 436, 464, 848, 872, 928, 1537, 1696, 1744, 1856, 3074, 3161, 3392, 3488, 3712, 5777, 6148, 6322, 6784, 6976, 11554, 12296, 12644, 13952, 23108, 24592, 25288, 46216, 49184, 50576, 92432, 98368, 101152, 167533, 184864, 196736, 202304, 335066, 369728, 404608, 670132, 739456, 1340264, 2680528, 5361056, 10722112, 21444224]

約数ペア:

[(1, 21444224), (2, 10722112), (4, 5361056), (8, 2680528), (16, 1340264), (29, 739456), (32, 670132), (53, 404608), (58, 369728), (64, 335066), (106, 202304), (109, 196736), (116, 184864), (128, 167533), (212, 101152), (218, 98368), (232, 92432), (424, 50576), (436, 49184), (464, 46216), (848, 25288), (872, 24592), (928, 23108), (1537, 13952), (1696, 12644), (1744, 12296), (1856, 11554), (3074, 6976), (3161, 6784), (3392, 6322), (3488, 6148), (3712, 5777)]