21684128

素因数分解:

$2^5\times {\mathrm{31}}^1\times {\mathrm{21859}}^1$

素因数の和:21900

約数の個数: 24

約数和(自身を含む): 44069760

約数和(自身を除く): 22385632

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 124, 248, 496, 992, 21859, 43718, 87436, 174872, 349744, 677629, 699488, 1355258, 2710516, 5421032, 10842064, 21684128]

約数ペア:

[(1, 21684128), (2, 10842064), (4, 5421032), (8, 2710516), (16, 1355258), (31, 699488), (32, 677629), (62, 349744), (124, 174872), (248, 87436), (496, 43718), (992, 21859)]