21858368

素因数分解:

$2^6\times 7^1\times {\mathrm{97}}^1\times {\mathrm{503}}^1$

素因数の和:619

約数の個数: 56

約数和(自身を含む): 50182272

約数和(自身を除く): 28323904

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 97, 112, 194, 224, 388, 448, 503, 679, 776, 1006, 1358, 1552, 2012, 2716, 3104, 3521, 4024, 5432, 6208, 7042, 8048, 10864, 14084, 16096, 21728, 28168, 32192, 43456, 48791, 56336, 97582, 112672, 195164, 225344, 341537, 390328, 683074, 780656, 1366148, 1561312, 2732296, 3122624, 5464592, 10929184, 21858368]

約数ペア:

[(1, 21858368), (2, 10929184), (4, 5464592), (7, 3122624), (8, 2732296), (14, 1561312), (16, 1366148), (28, 780656), (32, 683074), (56, 390328), (64, 341537), (97, 225344), (112, 195164), (194, 112672), (224, 97582), (388, 56336), (448, 48791), (503, 43456), (679, 32192), (776, 28168), (1006, 21728), (1358, 16096), (1552, 14084), (2012, 10864), (2716, 8048), (3104, 7042), (3521, 6208), (4024, 5432)]