21942212

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{83}}^1$

素因数の和:212

約数の個数: 48

約数和(自身を含む): 41912640

約数和(自身を除く): 19970428

約数列:

[1, 2, 4, 29, 43, 53, 58, 83, 86, 106, 116, 166, 172, 212, 332, 1247, 1537, 2279, 2407, 2494, 3074, 3569, 4399, 4558, 4814, 4988, 6148, 7138, 8798, 9116, 9628, 14276, 17596, 66091, 103501, 127571, 132182, 189157, 207002, 255142, 264364, 378314, 414004, 510284, 756628, 5485553, 10971106, 21942212]

約数ペア:

[(1, 21942212), (2, 10971106), (4, 5485553), (29, 756628), (43, 510284), (53, 414004), (58, 378314), (83, 264364), (86, 255142), (106, 207002), (116, 189157), (166, 132182), (172, 127571), (212, 103501), (332, 66091), (1247, 17596), (1537, 14276), (2279, 9628), (2407, 9116), (2494, 8798), (3074, 7138), (3569, 6148), (4399, 4988), (4558, 4814)]