21354180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{9619}}^1$

素因数の和:9668

約数の個数: 48

約数和(自身を含む): 61414080

約数和(自身を除く): 40059900

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 37, 60, 74, 111, 148, 185, 222, 370, 444, 555, 740, 1110, 2220, 9619, 19238, 28857, 38476, 48095, 57714, 96190, 115428, 144285, 192380, 288570, 355903, 577140, 711806, 1067709, 1423612, 1779515, 2135418, 3559030, 4270836, 5338545, 7118060, 10677090, 21354180]

約数ペア:

[(1, 21354180), (2, 10677090), (3, 7118060), (4, 5338545), (5, 4270836), (6, 3559030), (10, 2135418), (12, 1779515), (15, 1423612), (20, 1067709), (30, 711806), (37, 577140), (60, 355903), (74, 288570), (111, 192380), (148, 144285), (185, 115428), (222, 96190), (370, 57714), (444, 48095), (555, 38476), (740, 28857), (1110, 19238), (2220, 9619)]