21197912595

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{743}}^1\times {\mathrm{2111}}^1$

素因数の和:2932

約数の個数: 64

約数和(自身を含む): 36655939584

約数和(自身を除く): 15458026989

約数列:

[1, 3, 5, 15, 17, 51, 53, 85, 159, 255, 265, 743, 795, 901, 2111, 2229, 2703, 3715, 4505, 6333, 10555, 11145, 12631, 13515, 31665, 35887, 37893, 39379, 63155, 107661, 111883, 118137, 179435, 189465, 196895, 335649, 538305, 559415, 590685, 669443, 1568473, 1678245, 1902011, 2008329, 3347215, 4705419, 5706033, 7842365, 9510055, 10041645, 23527095, 26664041, 28530165, 79992123, 83129069, 133320205, 249387207, 399960615, 415645345, 1246936035, 1413194173, 4239582519, 7065970865, 21197912595]

約数ペア:

[(1, 21197912595), (3, 7065970865), (5, 4239582519), (15, 1413194173), (17, 1246936035), (51, 415645345), (53, 399960615), (85, 249387207), (159, 133320205), (255, 83129069), (265, 79992123), (743, 28530165), (795, 26664041), (901, 23527095), (2111, 10041645), (2229, 9510055), (2703, 7842365), (3715, 5706033), (4505, 4705419), (6333, 3347215), (10555, 2008329), (11145, 1902011), (12631, 1678245), (13515, 1568473), (31665, 669443), (35887, 590685), (37893, 559415), (39379, 538305), (63155, 335649), (107661, 196895), (111883, 189465), (118137, 179435)]