21686600

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{439}}^1$

素因数の和:487

約数の個数: 96

約数和(自身を含む): 57288000

約数和(自身を除く): 35601400

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 25, 26, 38, 40, 50, 52, 65, 76, 95, 100, 104, 130, 152, 190, 200, 247, 260, 325, 380, 439, 475, 494, 520, 650, 760, 878, 950, 988, 1235, 1300, 1756, 1900, 1976, 2195, 2470, 2600, 3512, 3800, 4390, 4940, 5707, 6175, 8341, 8780, 9880, 10975, 11414, 12350, 16682, 17560, 21950, 22828, 24700, 28535, 33364, 41705, 43900, 45656, 49400, 57070, 66728, 83410, 87800, 108433, 114140, 142675, 166820, 208525, 216866, 228280, 285350, 333640, 417050, 433732, 542165, 570700, 834100, 867464, 1084330, 1141400, 1668200, 2168660, 2710825, 4337320, 5421650, 10843300, 21686600]

約数ペア:

[(1, 21686600), (2, 10843300), (4, 5421650), (5, 4337320), (8, 2710825), (10, 2168660), (13, 1668200), (19, 1141400), (20, 1084330), (25, 867464), (26, 834100), (38, 570700), (40, 542165), (50, 433732), (52, 417050), (65, 333640), (76, 285350), (95, 228280), (100, 216866), (104, 208525), (130, 166820), (152, 142675), (190, 114140), (200, 108433), (247, 87800), (260, 83410), (325, 66728), (380, 57070), (439, 49400), (475, 45656), (494, 43900), (520, 41705), (650, 33364), (760, 28535), (878, 24700), (950, 22828), (988, 21950), (1235, 17560), (1300, 16682), (1756, 12350), (1900, 11414), (1976, 10975), (2195, 9880), (2470, 8780), (2600, 8341), (3512, 6175), (3800, 5707), (4390, 4940)]