21014520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{4733}}^1$

素因数の和:4784

約数の個数: 64

約数和(自身を含む): 64761120

約数和(自身を除く): 43746600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 37, 40, 60, 74, 111, 120, 148, 185, 222, 296, 370, 444, 555, 740, 888, 1110, 1480, 2220, 4440, 4733, 9466, 14199, 18932, 23665, 28398, 37864, 47330, 56796, 70995, 94660, 113592, 141990, 175121, 189320, 283980, 350242, 525363, 567960, 700484, 875605, 1050726, 1400968, 1751210, 2101452, 2626815, 3502420, 4202904, 5253630, 7004840, 10507260, 21014520]

約数ペア:

[(1, 21014520), (2, 10507260), (3, 7004840), (4, 5253630), (5, 4202904), (6, 3502420), (8, 2626815), (10, 2101452), (12, 1751210), (15, 1400968), (20, 1050726), (24, 875605), (30, 700484), (37, 567960), (40, 525363), (60, 350242), (74, 283980), (111, 189320), (120, 175121), (148, 141990), (185, 113592), (222, 94660), (296, 70995), (370, 56796), (444, 47330), (555, 37864), (740, 28398), (888, 23665), (1110, 18932), (1480, 14199), (2220, 9466), (4440, 4733)]