21000762342

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{8923}}^1\times {\mathrm{18679}}^1$

素因数の和:27617

約数の個数: 48

約数和(自身を含む): 52010499840

約数和(自身を除く): 31009737498

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 8923, 17846, 18679, 26769, 37358, 53538, 56037, 62461, 80307, 112074, 124922, 130753, 160614, 168111, 187383, 261506, 336222, 374766, 392259, 562149, 784518, 1124298, 1176777, 2353554, 166672717, 333345434, 500018151, 1000036302, 1166709019, 1500054453, 2333418038, 3000108906, 3500127057, 7000254114, 10500381171, 21000762342]

約数ペア:

[(1, 21000762342), (2, 10500381171), (3, 7000254114), (6, 3500127057), (7, 3000108906), (9, 2333418038), (14, 1500054453), (18, 1166709019), (21, 1000036302), (42, 500018151), (63, 333345434), (126, 166672717), (8923, 2353554), (17846, 1176777), (18679, 1124298), (26769, 784518), (37358, 562149), (53538, 392259), (56037, 374766), (62461, 336222), (80307, 261506), (112074, 187383), (124922, 168111), (130753, 160614)]