21443576

素因数分解:

$2^3\times 7^2\times {\mathrm{11}}^1\times {\mathrm{4973}}^1$

素因数の和:5004

約数の個数: 48

約数和(自身を含む): 51033240

約数和(自身を除く): 29589664

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 49, 56, 77, 88, 98, 154, 196, 308, 392, 539, 616, 1078, 2156, 4312, 4973, 9946, 19892, 34811, 39784, 54703, 69622, 109406, 139244, 218812, 243677, 278488, 382921, 437624, 487354, 765842, 974708, 1531684, 1949416, 2680447, 3063368, 5360894, 10721788, 21443576]

約数ペア:

[(1, 21443576), (2, 10721788), (4, 5360894), (7, 3063368), (8, 2680447), (11, 1949416), (14, 1531684), (22, 974708), (28, 765842), (44, 487354), (49, 437624), (56, 382921), (77, 278488), (88, 243677), (98, 218812), (154, 139244), (196, 109406), (308, 69622), (392, 54703), (539, 39784), (616, 34811), (1078, 19892), (2156, 9946), (4312, 4973)]