21084216

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1667}}^1$

素因数の和:1724

約数の個数: 64

約数和(自身を含む): 57646080

約数和(自身を除く): 36561864

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 24, 31, 34, 51, 62, 68, 93, 102, 124, 136, 186, 204, 248, 372, 408, 527, 744, 1054, 1581, 1667, 2108, 3162, 3334, 4216, 5001, 6324, 6668, 10002, 12648, 13336, 20004, 28339, 40008, 51677, 56678, 85017, 103354, 113356, 155031, 170034, 206708, 226712, 310062, 340068, 413416, 620124, 680136, 878509, 1240248, 1757018, 2635527, 3514036, 5271054, 7028072, 10542108, 21084216]

約数ペア:

[(1, 21084216), (2, 10542108), (3, 7028072), (4, 5271054), (6, 3514036), (8, 2635527), (12, 1757018), (17, 1240248), (24, 878509), (31, 680136), (34, 620124), (51, 413416), (62, 340068), (68, 310062), (93, 226712), (102, 206708), (124, 170034), (136, 155031), (186, 113356), (204, 103354), (248, 85017), (372, 56678), (408, 51677), (527, 40008), (744, 28339), (1054, 20004), (1581, 13336), (1667, 12648), (2108, 10002), (3162, 6668), (3334, 6324), (4216, 5001)]