21842072

素因数分解:

$2^3\times 7^1\times {\mathrm{97}}^1\times {\mathrm{4021}}^1$

素因数の和:4131

約数の個数: 32

約数和(自身を含む): 47298720

約数和(自身を除く): 25456648

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 97, 194, 388, 679, 776, 1358, 2716, 4021, 5432, 8042, 16084, 28147, 32168, 56294, 112588, 225176, 390037, 780074, 1560148, 2730259, 3120296, 5460518, 10921036, 21842072]

約数ペア:

[(1, 21842072), (2, 10921036), (4, 5460518), (7, 3120296), (8, 2730259), (14, 1560148), (28, 780074), (56, 390037), (97, 225176), (194, 112588), (388, 56294), (679, 32168), (776, 28147), (1358, 16084), (2716, 8042), (4021, 5432)]