21118812804

素因数分解:

$2^2\times 3^4\times {\mathrm{347}}^1\times {\mathrm{187843}}^1$

素因数の和:188206

約数の個数: 60

約数和(自身を含む): 55368146064

約数和(自身を除く): 34249333260

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 324, 347, 694, 1041, 1388, 2082, 3123, 4164, 6246, 9369, 12492, 18738, 28107, 37476, 56214, 112428, 187843, 375686, 563529, 751372, 1127058, 1690587, 2254116, 3381174, 5071761, 6762348, 10143522, 15215283, 20287044, 30430566, 60861132, 65181521, 130363042, 195544563, 260726084, 391089126, 586633689, 782178252, 1173267378, 1759901067, 2346534756, 3519802134, 5279703201, 7039604268, 10559406402, 21118812804]

約数ペア:

[(1, 21118812804), (2, 10559406402), (3, 7039604268), (4, 5279703201), (6, 3519802134), (9, 2346534756), (12, 1759901067), (18, 1173267378), (27, 782178252), (36, 586633689), (54, 391089126), (81, 260726084), (108, 195544563), (162, 130363042), (324, 65181521), (347, 60861132), (694, 30430566), (1041, 20287044), (1388, 15215283), (2082, 10143522), (3123, 6762348), (4164, 5071761), (6246, 3381174), (9369, 2254116), (12492, 1690587), (18738, 1127058), (28107, 751372), (37476, 563529), (56214, 375686), (112428, 187843)]