21281004

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{19069}}^1$

素因数の和:19110

約数の個数: 36

約数和(自身を含む): 55531840

約数和(自身を除く): 34250836

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 62, 93, 124, 186, 279, 372, 558, 1116, 19069, 38138, 57207, 76276, 114414, 171621, 228828, 343242, 591139, 686484, 1182278, 1773417, 2364556, 3546834, 5320251, 7093668, 10640502, 21281004]

約数ペア:

[(1, 21281004), (2, 10640502), (3, 7093668), (4, 5320251), (6, 3546834), (9, 2364556), (12, 1773417), (18, 1182278), (31, 686484), (36, 591139), (62, 343242), (93, 228828), (124, 171621), (186, 114414), (279, 76276), (372, 57207), (558, 38138), (1116, 19069)]