21626724

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{3259}}^1$

素因数の和:3352

約数の個数: 48

約数和(自身を含む): 58419200

約数和(自身を除く): 36792476

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 79, 84, 158, 237, 316, 474, 553, 948, 1106, 1659, 2212, 3259, 3318, 6518, 6636, 9777, 13036, 19554, 22813, 39108, 45626, 68439, 91252, 136878, 257461, 273756, 514922, 772383, 1029844, 1544766, 1802227, 3089532, 3604454, 5406681, 7208908, 10813362, 21626724]

約数ペア:

[(1, 21626724), (2, 10813362), (3, 7208908), (4, 5406681), (6, 3604454), (7, 3089532), (12, 1802227), (14, 1544766), (21, 1029844), (28, 772383), (42, 514922), (79, 273756), (84, 257461), (158, 136878), (237, 91252), (316, 68439), (474, 45626), (553, 39108), (948, 22813), (1106, 19554), (1659, 13036), (2212, 9777), (3259, 6636), (3318, 6518)]