21355992

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{42373}}^1$

素因数の和:42392

約数の個数: 48

約数和(自身を含む): 66103440

約数和(自身を除く): 44747448

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 56, 63, 72, 84, 126, 168, 252, 504, 42373, 84746, 127119, 169492, 254238, 296611, 338984, 381357, 508476, 593222, 762714, 889833, 1016952, 1186444, 1525428, 1779666, 2372888, 2669499, 3050856, 3559332, 5338998, 7118664, 10677996, 21355992]

約数ペア:

[(1, 21355992), (2, 10677996), (3, 7118664), (4, 5338998), (6, 3559332), (7, 3050856), (8, 2669499), (9, 2372888), (12, 1779666), (14, 1525428), (18, 1186444), (21, 1016952), (24, 889833), (28, 762714), (36, 593222), (42, 508476), (56, 381357), (63, 338984), (72, 296611), (84, 254238), (126, 169492), (168, 127119), (252, 84746), (504, 42373)]