21921312

素因数分解:

$2^5\times 3^1\times 7^1\times {\mathrm{32621}}^1$

素因数の和:32641

約数の個数: 48

約数和(自身を含む): 65765952

約数和(自身を除く): 43844640

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, 32621, 65242, 97863, 130484, 195726, 228347, 260968, 391452, 456694, 521936, 685041, 782904, 913388, 1043872, 1370082, 1565808, 1826776, 2740164, 3131616, 3653552, 5480328, 7307104, 10960656, 21921312]

約数ペア:

[(1, 21921312), (2, 10960656), (3, 7307104), (4, 5480328), (6, 3653552), (7, 3131616), (8, 2740164), (12, 1826776), (14, 1565808), (16, 1370082), (21, 1043872), (24, 913388), (28, 782904), (32, 685041), (42, 521936), (48, 456694), (56, 391452), (84, 260968), (96, 228347), (112, 195726), (168, 130484), (224, 97863), (336, 65242), (672, 32621)]