21190554

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{15289}}^1$

素因数の和:15315

約数の個数: 48

約数和(自身を含む): 57245760

約数和(自身を除く): 36055206

約数列:

[1, 2, 3, 6, 7, 9, 11, 14, 18, 21, 22, 33, 42, 63, 66, 77, 99, 126, 154, 198, 231, 462, 693, 1386, 15289, 30578, 45867, 91734, 107023, 137601, 168179, 214046, 275202, 321069, 336358, 504537, 642138, 963207, 1009074, 1177253, 1513611, 1926414, 2354506, 3027222, 3531759, 7063518, 10595277, 21190554]

約数ペア:

[(1, 21190554), (2, 10595277), (3, 7063518), (6, 3531759), (7, 3027222), (9, 2354506), (11, 1926414), (14, 1513611), (18, 1177253), (21, 1009074), (22, 963207), (33, 642138), (42, 504537), (63, 336358), (66, 321069), (77, 275202), (99, 214046), (126, 168179), (154, 137601), (198, 107023), (231, 91734), (462, 45867), (693, 30578), (1386, 15289)]