21398848

素因数分解:

$2^6\times {\mathrm{257}}^1\times {\mathrm{1301}}^1$

素因数の和:1570

約数の個数: 28

約数和(自身を含む): 42661332

約数和(自身を除く): 21262484

約数列:

[1, 2, 4, 8, 16, 32, 64, 257, 514, 1028, 1301, 2056, 2602, 4112, 5204, 8224, 10408, 16448, 20816, 41632, 83264, 334357, 668714, 1337428, 2674856, 5349712, 10699424, 21398848]

約数ペア:

[(1, 21398848), (2, 10699424), (4, 5349712), (8, 2674856), (16, 1337428), (32, 668714), (64, 334357), (257, 83264), (514, 41632), (1028, 20816), (1301, 16448), (2056, 10408), (2602, 8224), (4112, 5204)]