21458086

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{149}}^1\times {\mathrm{191}}^1$

素因数の和:384

約数の個数: 32

約数和(自身を含む): 36288000

約数和(自身を除く): 14829914

約数列:

[1, 2, 13, 26, 29, 58, 149, 191, 298, 377, 382, 754, 1937, 2483, 3874, 4321, 4966, 5539, 8642, 11078, 28459, 56173, 56918, 72007, 112346, 144014, 369967, 739934, 825311, 1650622, 10729043, 21458086]

約数ペア:

[(1, 21458086), (2, 10729043), (13, 1650622), (26, 825311), (29, 739934), (58, 369967), (149, 144014), (191, 112346), (298, 72007), (377, 56918), (382, 56173), (754, 28459), (1937, 11078), (2483, 8642), (3874, 5539), (4321, 4966)]