21672128

素因数分解:

$2^6\times {\mathrm{97}}^1\times {\mathrm{3491}}^1$

素因数の和:3600

約数の個数: 28

約数和(自身を含む): 43461432

約数和(自身を除く): 21789304

約数列:

[1, 2, 4, 8, 16, 32, 64, 97, 194, 388, 776, 1552, 3104, 3491, 6208, 6982, 13964, 27928, 55856, 111712, 223424, 338627, 677254, 1354508, 2709016, 5418032, 10836064, 21672128]

約数ペア:

[(1, 21672128), (2, 10836064), (4, 5418032), (8, 2709016), (16, 1354508), (32, 677254), (64, 338627), (97, 223424), (194, 111712), (388, 55856), (776, 27928), (1552, 13964), (3104, 6982), (3491, 6208)]