21329952

素因数分解:

$2^5\times 3^1\times 7^1\times {\mathrm{31741}}^1$

素因数の和:31761

約数の個数: 48

約数和(自身を含む): 63991872

約数和(自身を除く): 42661920

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 84, 96, 112, 168, 224, 336, 672, 31741, 63482, 95223, 126964, 190446, 222187, 253928, 380892, 444374, 507856, 666561, 761784, 888748, 1015712, 1333122, 1523568, 1777496, 2666244, 3047136, 3554992, 5332488, 7109984, 10664976, 21329952]

約数ペア:

[(1, 21329952), (2, 10664976), (3, 7109984), (4, 5332488), (6, 3554992), (7, 3047136), (8, 2666244), (12, 1777496), (14, 1523568), (16, 1333122), (21, 1015712), (24, 888748), (28, 761784), (32, 666561), (42, 507856), (48, 444374), (56, 380892), (84, 253928), (96, 222187), (112, 190446), (168, 126964), (224, 95223), (336, 63482), (672, 31741)]