21704650

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1$

素因数の和:140

約数の個数: 96

約数和(自身を含む): 48568320

約数和(自身を除く): 26863670

約数列:

[1, 2, 5, 10, 11, 19, 22, 25, 31, 38, 50, 55, 62, 67, 95, 110, 134, 155, 190, 209, 275, 310, 335, 341, 418, 475, 550, 589, 670, 682, 737, 775, 950, 1045, 1178, 1273, 1474, 1550, 1675, 1705, 2077, 2090, 2546, 2945, 3350, 3410, 3685, 4154, 5225, 5890, 6365, 6479, 7370, 8525, 10385, 10450, 12730, 12958, 14003, 14725, 17050, 18425, 20770, 22847, 28006, 29450, 31825, 32395, 36850, 39463, 45694, 51925, 63650, 64790, 70015, 78926, 103850, 114235, 140030, 161975, 197315, 228470, 323950, 350075, 394630, 434093, 571175, 700150, 868186, 986575, 1142350, 1973150, 2170465, 4340930, 10852325, 21704650]

約数ペア:

[(1, 21704650), (2, 10852325), (5, 4340930), (10, 2170465), (11, 1973150), (19, 1142350), (22, 986575), (25, 868186), (31, 700150), (38, 571175), (50, 434093), (55, 394630), (62, 350075), (67, 323950), (95, 228470), (110, 197315), (134, 161975), (155, 140030), (190, 114235), (209, 103850), (275, 78926), (310, 70015), (335, 64790), (341, 63650), (418, 51925), (475, 45694), (550, 39463), (589, 36850), (670, 32395), (682, 31825), (737, 29450), (775, 28006), (950, 22847), (1045, 20770), (1178, 18425), (1273, 17050), (1474, 14725), (1550, 14003), (1675, 12958), (1705, 12730), (2077, 10450), (2090, 10385), (2546, 8525), (2945, 7370), (3350, 6479), (3410, 6365), (3685, 5890), (4154, 5225)]