21639276

素因数分解:

$2^2\times 3^2\times {\mathrm{127}}^1\times {\mathrm{4733}}^1$

素因数の和:4870

約数の個数: 36

約数和(自身を含む): 55141632

約数和(自身を除く): 33502356

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 127, 254, 381, 508, 762, 1143, 1524, 2286, 4572, 4733, 9466, 14199, 18932, 28398, 42597, 56796, 85194, 170388, 601091, 1202182, 1803273, 2404364, 3606546, 5409819, 7213092, 10819638, 21639276]

約数ペア:

[(1, 21639276), (2, 10819638), (3, 7213092), (4, 5409819), (6, 3606546), (9, 2404364), (12, 1803273), (18, 1202182), (36, 601091), (127, 170388), (254, 85194), (381, 56796), (508, 42597), (762, 28398), (1143, 18932), (1524, 14199), (2286, 9466), (4572, 4733)]