21635396

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{1171}}^1$

素因数の和:1355

約数の個数: 24

約数和(自身を含む): 39379200

約数和(自身を除く): 17743804

約数列:

[1, 2, 4, 31, 62, 124, 149, 298, 596, 1171, 2342, 4619, 4684, 9238, 18476, 36301, 72602, 145204, 174479, 348958, 697916, 5408849, 10817698, 21635396]

約数ペア:

[(1, 21635396), (2, 10817698), (4, 5408849), (31, 697916), (62, 348958), (124, 174479), (149, 145204), (298, 72602), (596, 36301), (1171, 18476), (2342, 9238), (4619, 4684)]