21853748

素因数分解:

$2^2\times 7^1\times {\mathrm{113}}^1\times {\mathrm{6907}}^1$

素因数の和:7031

約数の個数: 24

約数和(自身を含む): 44100672

約数和(自身を除く): 22246924

約数列:

[1, 2, 4, 7, 14, 28, 113, 226, 452, 791, 1582, 3164, 6907, 13814, 27628, 48349, 96698, 193396, 780491, 1560982, 3121964, 5463437, 10926874, 21853748]

約数ペア:

[(1, 21853748), (2, 10926874), (4, 5463437), (7, 3121964), (14, 1560982), (28, 780491), (113, 193396), (226, 96698), (452, 48349), (791, 27628), (1582, 13814), (3164, 6907)]