21327196

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{263}}^1$

素因数の和:394

約数の個数: 48

約数和(自身を含む): 43464960

約数和(自身を除く): 22137764

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 76, 97, 194, 209, 263, 388, 418, 526, 836, 1052, 1067, 1843, 2134, 2893, 3686, 4268, 4997, 5786, 7372, 9994, 11572, 19988, 20273, 25511, 40546, 51022, 54967, 81092, 102044, 109934, 219868, 280621, 484709, 561242, 969418, 1122484, 1938836, 5331799, 10663598, 21327196]

約数ペア:

[(1, 21327196), (2, 10663598), (4, 5331799), (11, 1938836), (19, 1122484), (22, 969418), (38, 561242), (44, 484709), (76, 280621), (97, 219868), (194, 109934), (209, 102044), (263, 81092), (388, 54967), (418, 51022), (526, 40546), (836, 25511), (1052, 20273), (1067, 19988), (1843, 11572), (2134, 9994), (2893, 7372), (3686, 5786), (4268, 4997)]