21276702

素因数分解:

$2^1\times 3^3\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{463}}^1$

素因数の和:534

約数の個数: 64

約数和(自身を含む): 50780160

約数和(自身を除く): 29503458

約数列:

[1, 2, 3, 6, 9, 18, 23, 27, 37, 46, 54, 69, 74, 111, 138, 207, 222, 333, 414, 463, 621, 666, 851, 926, 999, 1242, 1389, 1702, 1998, 2553, 2778, 4167, 5106, 7659, 8334, 10649, 12501, 15318, 17131, 21298, 22977, 25002, 31947, 34262, 45954, 51393, 63894, 95841, 102786, 154179, 191682, 287523, 308358, 394013, 462537, 575046, 788026, 925074, 1182039, 2364078, 3546117, 7092234, 10638351, 21276702]

約数ペア:

[(1, 21276702), (2, 10638351), (3, 7092234), (6, 3546117), (9, 2364078), (18, 1182039), (23, 925074), (27, 788026), (37, 575046), (46, 462537), (54, 394013), (69, 308358), (74, 287523), (111, 191682), (138, 154179), (207, 102786), (222, 95841), (333, 63894), (414, 51393), (463, 45954), (621, 34262), (666, 31947), (851, 25002), (926, 22977), (999, 21298), (1242, 17131), (1389, 15318), (1702, 12501), (1998, 10649), (2553, 8334), (2778, 7659), (4167, 5106)]