21221504

素因数分解:

$2^7\times {\mathrm{29}}^1\times {\mathrm{5717}}^1$

素因数の和:5760

約数の個数: 32

約数和(自身を含む): 43742700

約数和(自身を除く): 22521196

約数列:

[1, 2, 4, 8, 16, 29, 32, 58, 64, 116, 128, 232, 464, 928, 1856, 3712, 5717, 11434, 22868, 45736, 91472, 165793, 182944, 331586, 365888, 663172, 731776, 1326344, 2652688, 5305376, 10610752, 21221504]

約数ペア:

[(1, 21221504), (2, 10610752), (4, 5305376), (8, 2652688), (16, 1326344), (29, 731776), (32, 663172), (58, 365888), (64, 331586), (116, 182944), (128, 165793), (232, 91472), (464, 45736), (928, 22868), (1856, 11434), (3712, 5717)]