21137922

素因数分解:

$2^1\times 3^4\times {\mathrm{13}}^1\times {\mathrm{10037}}^1$

素因数の和:10064

約数の個数: 40

約数和(自身を含む): 51013116

約数和(自身を除く): 29875194

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 81, 117, 162, 234, 351, 702, 1053, 2106, 10037, 20074, 30111, 60222, 90333, 130481, 180666, 260962, 270999, 391443, 541998, 782886, 812997, 1174329, 1625994, 2348658, 3522987, 7045974, 10568961, 21137922]

約数ペア:

[(1, 21137922), (2, 10568961), (3, 7045974), (6, 3522987), (9, 2348658), (13, 1625994), (18, 1174329), (26, 812997), (27, 782886), (39, 541998), (54, 391443), (78, 270999), (81, 260962), (117, 180666), (162, 130481), (234, 90333), (351, 60222), (702, 30111), (1053, 20074), (2106, 10037)]