21843616

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{971}}^1$

素因数の和:1037

約数の個数: 48

約数和(自身を含む): 46539360

約数和(自身を除く): 24695744

約数列:

[1, 2, 4, 8, 16, 19, 32, 37, 38, 74, 76, 148, 152, 296, 304, 592, 608, 703, 971, 1184, 1406, 1942, 2812, 3884, 5624, 7768, 11248, 15536, 18449, 22496, 31072, 35927, 36898, 71854, 73796, 143708, 147592, 287416, 295184, 574832, 590368, 682613, 1149664, 1365226, 2730452, 5460904, 10921808, 21843616]

約数ペア:

[(1, 21843616), (2, 10921808), (4, 5460904), (8, 2730452), (16, 1365226), (19, 1149664), (32, 682613), (37, 590368), (38, 574832), (74, 295184), (76, 287416), (148, 147592), (152, 143708), (296, 73796), (304, 71854), (592, 36898), (608, 35927), (703, 31072), (971, 22496), (1184, 18449), (1406, 15536), (1942, 11248), (2812, 7768), (3884, 5624)]