21087768

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{67589}}^1$

素因数の和:67611

約数の個数: 32

約数和(自身を含む): 56775600

約数和(自身を除く): 35687832

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 67589, 135178, 202767, 270356, 405534, 540712, 811068, 878657, 1622136, 1757314, 2635971, 3514628, 5271942, 7029256, 10543884, 21087768]

約数ペア:

[(1, 21087768), (2, 10543884), (3, 7029256), (4, 5271942), (6, 3514628), (8, 2635971), (12, 1757314), (13, 1622136), (24, 878657), (26, 811068), (39, 540712), (52, 405534), (78, 270356), (104, 202767), (156, 135178), (312, 67589)]