21994700

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2417}}^1$

素因数の和:2451

約数の個数: 72

約数和(自身を含む): 58767072

約数和(自身を除く): 36772372

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 25, 26, 28, 35, 50, 52, 65, 70, 91, 100, 130, 140, 175, 182, 260, 325, 350, 364, 455, 650, 700, 910, 1300, 1820, 2275, 2417, 4550, 4834, 9100, 9668, 12085, 16919, 24170, 31421, 33838, 48340, 60425, 62842, 67676, 84595, 120850, 125684, 157105, 169190, 219947, 241700, 314210, 338380, 422975, 439894, 628420, 785525, 845950, 879788, 1099735, 1571050, 1691900, 2199470, 3142100, 4398940, 5498675, 10997350, 21994700]

約数ペア:

[(1, 21994700), (2, 10997350), (4, 5498675), (5, 4398940), (7, 3142100), (10, 2199470), (13, 1691900), (14, 1571050), (20, 1099735), (25, 879788), (26, 845950), (28, 785525), (35, 628420), (50, 439894), (52, 422975), (65, 338380), (70, 314210), (91, 241700), (100, 219947), (130, 169190), (140, 157105), (175, 125684), (182, 120850), (260, 84595), (325, 67676), (350, 62842), (364, 60425), (455, 48340), (650, 33838), (700, 31421), (910, 24170), (1300, 16919), (1820, 12085), (2275, 9668), (2417, 9100), (4550, 4834)]