21168256

素因数分解:

$2^7\times {\mathrm{59}}^1\times {\mathrm{2803}}^1$

素因数の和:2876

約数の個数: 32

約数和(自身を含む): 42901200

約数和(自身を除く): 21732944

約数列:

[1, 2, 4, 8, 16, 32, 59, 64, 118, 128, 236, 472, 944, 1888, 2803, 3776, 5606, 7552, 11212, 22424, 44848, 89696, 165377, 179392, 330754, 358784, 661508, 1323016, 2646032, 5292064, 10584128, 21168256]

約数ペア:

[(1, 21168256), (2, 10584128), (4, 5292064), (8, 2646032), (16, 1323016), (32, 661508), (59, 358784), (64, 330754), (118, 179392), (128, 165377), (236, 89696), (472, 44848), (944, 22424), (1888, 11212), (2803, 7552), (3776, 5606)]