21417732

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{84991}}^1$

素因数の和:85008

約数の個数: 36

約数和(自身を含む): 61874176

約数和(自身を除く): 40456444

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 84991, 169982, 254973, 339964, 509946, 594937, 764919, 1019892, 1189874, 1529838, 1784811, 2379748, 3059676, 3569622, 5354433, 7139244, 10708866, 21417732]

約数ペア:

[(1, 21417732), (2, 10708866), (3, 7139244), (4, 5354433), (6, 3569622), (7, 3059676), (9, 2379748), (12, 1784811), (14, 1529838), (18, 1189874), (21, 1019892), (28, 764919), (36, 594937), (42, 509946), (63, 339964), (84, 254973), (126, 169982), (252, 84991)]