21079616

素因数分解:

$2^6\times {\mathrm{71}}^1\times {\mathrm{4639}}^1$

素因数の和:4722

約数の個数: 28

約数和(自身を含む): 42428160

約数和(自身を除く): 21348544

約数列:

[1, 2, 4, 8, 16, 32, 64, 71, 142, 284, 568, 1136, 2272, 4544, 4639, 9278, 18556, 37112, 74224, 148448, 296896, 329369, 658738, 1317476, 2634952, 5269904, 10539808, 21079616]

約数ペア:

[(1, 21079616), (2, 10539808), (4, 5269904), (8, 2634952), (16, 1317476), (32, 658738), (64, 329369), (71, 296896), (142, 148448), (284, 74224), (568, 37112), (1136, 18556), (2272, 9278), (4544, 4639)]