21790356

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{1741}}^1$

素因数の和:1904

約数の個数: 48

約数和(自身を含む): 58531200

約数和(自身を除く): 36740844

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 149, 298, 447, 596, 894, 1043, 1741, 1788, 2086, 3129, 3482, 4172, 5223, 6258, 6964, 10446, 12187, 12516, 20892, 24374, 36561, 48748, 73122, 146244, 259409, 518818, 778227, 1037636, 1556454, 1815863, 3112908, 3631726, 5447589, 7263452, 10895178, 21790356]

約数ペア:

[(1, 21790356), (2, 10895178), (3, 7263452), (4, 5447589), (6, 3631726), (7, 3112908), (12, 1815863), (14, 1556454), (21, 1037636), (28, 778227), (42, 518818), (84, 259409), (149, 146244), (298, 73122), (447, 48748), (596, 36561), (894, 24374), (1043, 20892), (1741, 12516), (1788, 12187), (2086, 10446), (3129, 6964), (3482, 6258), (4172, 5223)]