21370650

素因数分解:

$2^1\times 3^1\times 5^2\times 7^1\times {\mathrm{20353}}^1$

素因数の和:20375

約数の個数: 48

約数和(自身を含む): 60573504

約数和(自身を除く): 39202854

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 25, 30, 35, 42, 50, 70, 75, 105, 150, 175, 210, 350, 525, 1050, 20353, 40706, 61059, 101765, 122118, 142471, 203530, 284942, 305295, 427413, 508825, 610590, 712355, 854826, 1017650, 1424710, 1526475, 2137065, 3052950, 3561775, 4274130, 7123550, 10685325, 21370650]

約数ペア:

[(1, 21370650), (2, 10685325), (3, 7123550), (5, 4274130), (6, 3561775), (7, 3052950), (10, 2137065), (14, 1526475), (15, 1424710), (21, 1017650), (25, 854826), (30, 712355), (35, 610590), (42, 508825), (50, 427413), (70, 305295), (75, 284942), (105, 203530), (150, 142471), (175, 122118), (210, 101765), (350, 61059), (525, 40706), (1050, 20353)]