21301704

素因数分解:

$2^3\times 3^4\times {\mathrm{71}}^1\times {\mathrm{463}}^1$

素因数の和:552

約数の個数: 80

約数和(自身を含む): 60635520

約数和(自身を除く): 39333816

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 71, 72, 81, 108, 142, 162, 213, 216, 284, 324, 426, 463, 568, 639, 648, 852, 926, 1278, 1389, 1704, 1852, 1917, 2556, 2778, 3704, 3834, 4167, 5112, 5556, 5751, 7668, 8334, 11112, 11502, 12501, 15336, 16668, 23004, 25002, 32873, 33336, 37503, 46008, 50004, 65746, 75006, 98619, 100008, 131492, 150012, 197238, 262984, 295857, 300024, 394476, 591714, 788952, 887571, 1183428, 1775142, 2366856, 2662713, 3550284, 5325426, 7100568, 10650852, 21301704]

約数ペア:

[(1, 21301704), (2, 10650852), (3, 7100568), (4, 5325426), (6, 3550284), (8, 2662713), (9, 2366856), (12, 1775142), (18, 1183428), (24, 887571), (27, 788952), (36, 591714), (54, 394476), (71, 300024), (72, 295857), (81, 262984), (108, 197238), (142, 150012), (162, 131492), (213, 100008), (216, 98619), (284, 75006), (324, 65746), (426, 50004), (463, 46008), (568, 37503), (639, 33336), (648, 32873), (852, 25002), (926, 23004), (1278, 16668), (1389, 15336), (1704, 12501), (1852, 11502), (1917, 11112), (2556, 8334), (2778, 7668), (3704, 5751), (3834, 5556), (4167, 5112)]