21127708

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{619}}^1$

素因数の和:706

約数の個数: 48

約数和(自身を含む): 44997120

約数和(自身を除く): 23869412

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 53, 92, 106, 161, 212, 322, 371, 619, 644, 742, 1219, 1238, 1484, 2438, 2476, 4333, 4876, 8533, 8666, 14237, 17066, 17332, 28474, 32807, 34132, 56948, 65614, 99659, 131228, 199318, 229649, 398636, 459298, 754561, 918596, 1509122, 3018244, 5281927, 10563854, 21127708]

約数ペア:

[(1, 21127708), (2, 10563854), (4, 5281927), (7, 3018244), (14, 1509122), (23, 918596), (28, 754561), (46, 459298), (53, 398636), (92, 229649), (106, 199318), (161, 131228), (212, 99659), (322, 65614), (371, 56948), (619, 34132), (644, 32807), (742, 28474), (1219, 17332), (1238, 17066), (1484, 14237), (2438, 8666), (2476, 8533), (4333, 4876)]